Batman Adventures: Mad Love #1 (1994) - Alternate Universe

Batman: Harley Quinn #1 (1999)

Harley Quinn #1 (2000)
Harley Quinn #2
Harley Quinn #3
Harley Quinn #4
Harley Quinn #5
Harley Quinn #6
Harley Quinn #7
Harley Quinn #8
Harley Quinn #9
Harley Quinn #10
Harley Quinn #11
Harley Quinn #12
Harley Quinn #13
Harley Quinn #14
Harley Quinn #15
Harley Quinn #16
Harley Quinn #17
Harley Quinn #18
Harley Quinn #19
Harley Quinn #20
Harley Quinn #21
Harley Quinn #22
Harley Quinn #23
Harley Quinn #24
Harley Quinn #25

Gotham City Sirens #1 (2009)
Gotham City Sirens #2
Gotham City Sirens #3
Gotham City Sirens #4
Gotham City Sirens #5
Gotham City Sirens #6
Gotham City Sirens #7
Gotham City Sirens #8
Gotham City Sirens #9
Gotham City Sirens #10
Gotham City Sirens #11
Gotham City Sirens #12
Gotham City Sirens #13
Gotham City Sirens #14
Gotham City Sirens #15
Gotham City Sirens #16
Gotham City Sirens #17
Gotham City Sirens #18
Gotham City Sirens #19
Gotham City Sirens #20
Gotham City Sirens #21
Gotham City Sirens #22
Gotham City Sirens #23
Gotham City Sirens #24
Gotham City Sirens #25
Gotham City Sirens #26

Suicide Squad Vol. 4 #1 (2011)
Suicide Squad Vol. 4 #2
Suicide Squad Vol. 4 #3
Suicide Squad Vol. 4 #4
Suicide Squad Vol. 4 #5
Suicide Squad Vol. 4 #6
Suicide Squad Vol. 4 #7
Suicide Squad Vol. 4 #8

Resurrection Man Vol. 2 #8

Suicide Squad Vol. 4 #9

Resurrection Man Vol. 2 #9

Suicide Squad Vol. 4 #10
Suicide Squad Vol. 4 #11
Suicide Squad Vol. 4 #12
Suicide Squad Vol. 4 #13

Read Death of the Family here.

Suicide Squad Vol. 4 #16
Suicide Squad Vol. 4 #17
Suicide Squad Vol. 4 #18
Suicide Squad Vol. 4 #19
Suicide Squad Vol. 4 #20
Suicide Squad Vol. 4 #21
Suicide Squad Vol. 4 #22
Suicide Squad Vol. 4 #23

Read Forever Evil here.

Harley Quinn Vol. 2 #0 (2014) - This series doesn't really fit in continuity and frequently breaks the fourth wall.
Harley Quinn Vol. 2 #1
Harley Quinn Vol. 2 #2
Harley Quinn Vol. 2 #3
Harley Quinn Vol. 2 #4
Harley Quinn Vol. 2 #5
Harley Quinn Vol. 2 #6
Harley Quinn Vol. 2 #7

Harley Quinn Vol. 2 Annual #1 (2014)

Harley Quinn Holiday Special #1 (2015)

Harley Quinn Vol. 2 #8
Harley Quinn Vol. 2 #9
Harley Quinn Vol. 2 #10
Harley Quinn Vol. 2 #11
Harley Quinn Vol. 2 #12
Harley Quinn Vol. 2 #13

Harley Quinn and Power Girl #1 (2015)
Harley Quinn and Power Girl #2
Harley Quinn and Power Girl #3
Harley Quinn and Power Girl #4
Harley Quinn and Power Girl #5
Harley Quinn and Power Girl #6

New Suicide Squad #1 (2014)
New Suicide Squad #2
New Suicide Squad #3
New Suicide Squad #4

Harley Quinn Valentine's Day Special #1 (2015)

Harley Quinn Vol. 2 #14
Harley Quinn Vol. 2 #15
Harley Quinn Vol. 2 #16

New Suicide Squad #5
New Suicide Squad #6
New Suicide Squad #7
New Suicide Squad #8

Harley Quinn Vol. 2 #17
Harley Quinn Vol. 2 #18
Harley Quinn Vol. 2 #19

Harley Quinn Road Trip Special #1 (2015)

Harley Quinn Vol. 2 #20
Harley Quinn Vol. 2 #21
Harley Quinn Vol. 2 #22
Harley Quinn Vol. 2 #23
Harley Quinn Vol. 2 #24
Harley Quinn Vol. 2 #25
Harley Quinn Vol. 2 #26
Harley Quinn Vol. 2 #27
Harley Quinn Vol. 2 #28

New Suicide Squad #9
New Suicide Squad #10
New Suicide Squad #11
New Suicide Squad #12

New Suicide Squad Annual #1 (2015)

New Suicide Squad #13
New Suicide Squad #14
New Suicide Squad #15
New Suicide Squad #16

New Suicide Squad #17
New Suicide Squad #18
New Suicide Squad #19
New Suicide Squad #20
New Suicide Squad #21
New Suicide Squad #22

Harley Quinn Vol. 2 #29
Harley Quinn Vol. 2 #30

Harley Quinn and Her Gang of Harleys #1 (2016)
Harley Quinn and Her Gang of Harleys #2
Harley Quinn and Her Gang of Harleys #3
Harley Quinn and Her Gang of Harleys #4
Harley Quinn and Her Gang of Harleys #5
Harley Quinn and Her Gang of Harleys #6

Harley Quinn Vol. 3 #1 (2016)
Harley Quinn Vol. 3 #2
Harley Quinn Vol. 3 #3
Harley Quinn Vol. 3 #4

Suicide Squad: Rebirth #1 (2016)

Suicide Squad Vol. 5 #1 (2016)
Suicide Squad Vol. 5 #2
Suicide Squad Vol. 5 #3
Suicide Squad Vol. 5 #4

Harley Quinn Vol. 3 #5
Harley Quinn Vol. 3 #6
Harley Quinn Vol. 3 #7
Harley Quinn Vol. 3 #8
Harley Quinn Vol. 3 #9
Harley Quinn Vol. 3 #10

Suicide Squad Vol. 5 #5
Suicide Squad Vol. 5 #6
Suicide Squad Vol. 5 #7

Read Justice League vs. Suicide Squad here.

Harley Quinn Vol. 3 #11
Harley Quinn Vol. 3 #12
Harley Quinn Vol. 3 #13
Harley Quinn Vol. 3 #14
Harley Quinn Vol. 3 #15
Harley Quinn Vol. 3 #16

Suicide Squad Vol. 5 #11
Suicide Squad Vol. 5 #12
Suicide Squad Vol. 5 #13
Suicide Squad Vol. 5 #14
Suicide Squad Vol. 5 #15

Harley Quinn Vol. 3 #17
Harley Quinn Vol. 3 #18
Harley Quinn Vol. 3 #19
Harley Quinn Vol. 3 #20
Harley Quinn Vol. 3 #21

Suicide Squad Vol. 5 #16
Suicide Squad Vol. 5 #17
Suicide Squad Vol. 5 #18
Suicide Squad Vol. 5 #19
Suicide Squad Vol. 5 #20

Harley Quinn Vol. 3 #22
Harley Quinn Vol. 3 #23
Harley Quinn Vol. 3 #24
Harley Quinn Vol. 3 #25
Harley Quinn Vol. 3 #26
Harley Quinn Vol. 3 #27

Suicide Squad Vol. 5 #21
Suicide Squad Vol. 5 #22
Suicide Squad Vol. 5 #23
Suicide Squad Vol. 5 #24
Suicide Squad Vol. 5 #25

Harley Quinn Vol. 3 #28
Harley Quinn Vol. 3 #29
Harley Quinn Vol. 3 #30
Harley Quinn Vol. 3 #31
Harley Quinn Vol. 3 #32
Harley Quinn Vol. 3 #33

Batgirl and the Birds of Prey #15
Batgirl and the Birds of Prey #16
Batgirl and the Birds of Prey #17

Harley Quinn Vol. 3 #34
Harley Quinn Vol. 3 #35
Harley Quinn Vol. 3 #36

Teen Titans Vol. 6 #12

Nightwing Vol. 4 #29

Suicide Squad Vol. 5 #26

Green Arrow Vol. 6 #32

Suicide Squad Vol. 5 #27
Suicide Squad Vol. 5 #28
Suicide Squad Vol. 5 #29
Suicide Squad Vol. 5 #30
Suicide Squad Vol. 5 #31
Suicide Squad Vol. 5 #32

Harley Quinn: Be Careful What You Wish For #1 (2018)

Suicide Squad Vol. 5 #33
Suicide Squad Vol. 5 #34
Suicide Squad Vol. 5 #35
Suicide Squad Vol. 5 #36
Suicide Squad Vol. 5 #37

Harley Quinn: Harley Loves Joker #1 (2018)
Harley Quinn: Harley Loves Joker #2

Harley Quinn Vol. 3 #37
Harley Quinn Vol. 3 #38
Harley Quinn Vol. 3 #39
Harley Quinn Vol. 3 #40
Harley Quinn Vol. 3 #41
Harley Quinn Vol. 3 #42

Suicide Squad Vol. 5 #38
Suicide Squad Vol. 5 #39
Suicide Squad Vol. 5 #40

DC Nation #0 (2018)

Justice League: No Justice #1 (2018)
Justice League: No Justice #2
Justice League: No Justice #3
Justice League: No Justice #4

Batman: Prelude to the Wedding: Harley Quinn vs. The Joker #1 (2018)

Harley Quinn Vol. 3 #43
Harley Quinn Vol. 3 #44

Suicide Squad Vol. 5 #41
Suicide Squad Vol. 5 #42
Suicide Squad Vol. 5 #43
Suicide Squad Vol. 5 #44

Harley Quinn Vol. 3 #45
Harley Quinn Vol. 3 #46
Harley Quinn Vol. 3 #47

Suicide Squad Vol. 5 Annual #1 (2018)

Suicide Squad Vol. 5 #45

Aquaman Vol. 8 #39

Suicide Squad Vol. 5 #46

Aquaman Vol. 8 #40

Harley Quinn Vol. 3 #48
Harley Quinn Vol. 3 #49
Harley Quinn Vol. 3 #50
Harley Quinn Vol. 3 #51
Harley Quinn Vol. 3 #52
Harley Quinn Vol. 3 #53
Harley Quinn Vol. 3 #54
Harley Quinn Vol. 3 #55

Suicide Squad Vol. 5 #48
Suicide Squad Vol. 5 #49
Suicide Squad Vol. 5 #50

Heroes in Crisis #1 (2018)
Heroes in Crisis #2
Heroes in Crisis #3
Heroes in Crisis #4
Heroes in Crisis #5
Heroes in Crisis #6
Heroes in Crisis #7
Heroes in Crisis #8
Heroes in Crisis #9

Harley Quinn Vol. 3 #56
Harley Quinn Vol. 3 #57
Harley Quinn Vol. 3 #58

Suicide Squad: Black Files #1 (2019)
Suicide Squad: Black Files #2
Suicide Squad: Black Files #3
Suicide Squad: Black Files #4
Suicide Squad: Black Files #5
Suicide Squad: Black Files #6

Harley Quinn Vol. 3 #59
Harley Quinn Vol. 3 #60
Harley Quinn Vol. 3 #61
Harley Quinn Vol. 3 #62
Harley Quinn Vol. 3 #63
Harley Quinn Vol. 3 #64
Harley Quinn Vol. 3 #65
Harley Quinn Vol. 3 #66
Harley Quinn Vol. 3 #67

New Year’s Evil Vol. 2 #1 (2020)

Harley Quinn Vol. 3 #68

Harley Quinn’s Villain of the Year #1 (2020)

Harley Quinn Vol. 3 #69

Harley Quinn & Poison Ivy #1 (2019)
Harley Quinn & Poison Ivy #2
Harley Quinn & Poison Ivy #3
Harley Quinn & Poison Ivy #4
Harley Quinn & Poison Ivy #5
Harley Quinn & Poison Ivy #6

Batman Vol. 3 #86
Batman Vol. 3 #87
Batman Vol. 3 #88
Batman Vol. 3 #89
Batman Vol. 3 #90
Batman Vol. 3 #91
Batman Vol. 3 #92
Batman Vol. 3 #93

Harley Quinn Vol. 3 #70
Harley Quinn Vol. 3 #71
Harley Quinn Vol. 3 #72
Harley Quinn Vol. 3 #73
Harley Quinn Vol. 3 #74

Suicide Squad Vol. 6 #1 (2019)
Suicide Squad Vol. 6 #2
Suicide Squad Vol. 6 #3
Suicide Squad Vol. 6 #4
Suicide Squad Vol. 6 #5
Suicide Squad Vol. 6 #6
Suicide Squad Vol. 6 #7
Suicide Squad Vol. 6 #8
Suicide Squad Vol. 6 #9
Suicide Squad Vol. 6 #10
Suicide Squad Vol. 6 #11

Harley Quinn and the Birds of Prey #1 (2020)
Harley Quinn and the Birds of Prey #2
Harley Quinn and the Birds of Prey #3
Harley Quinn and the Birds of Prey #4

Batman Vol. 3 #95

Harley Quinn Vol. 3 #75

Batman Vol. 3 #96
Batman Vol. 3 #97
Batman Vol. 3 #98
Batman Vol. 3 #99
Batman Vol. 3 #100

Batman Vol. 3 #102
Batman Vol. 3 #103
Batman Vol. 3 #104
Batman Vol. 3 #105

Dark Nights: Death Metal #1 (2020)
Dark Nights: Death Metal #2
Dark Nights: Death Metal #3
Dark Nights: Death Metal #4
Dark Nights: Death Metal #5
Dark Nights: Death Metal #6
Dark Nights: Death Metal #7

Future State: Harley Quinn #1 (2021)
Future State: Harley Quinn #2

Batman Vol. 3 #106
Batman Vol. 3 #107
Batman Vol. 3 #108
Batman Vol. 3 #109
Batman Vol. 3 #110
Batman Vol. 3 #111

Harley Quinn Vol. 4 #1 (2021)
Harley Quinn Vol. 4 #2
Harley Quinn Vol. 4 #3
Harley Quinn Vol. 4 #4
Harley Quinn Vol. 4 #5
Harley Quinn Vol. 4 #6

Harley Quinn Vol. 4 2021 Annual #1 (2021)

Read Fear State here.

Harley Quinn Vol. 4 #10
Harley Quinn Vol. 4 #11
Harley Quinn Vol. 4 #12

Poison Ivy #1 (2022)
Poison Ivy #2
Poison Ivy #3
Poison Ivy #4
Poison Ivy #5
Poison Ivy #6

Harley Quinn Vol. 4 #13
Harley Quinn Vol. 4 #14
Harley Quinn Vol. 4 #15
Harley Quinn Vol. 4 #16
Harley Quinn Vol. 4 #17

Harley Quinn 30th Anniversary Special #1 (2022)

Harley Quinn Vol. 4 #18
Harley Quinn Vol. 4 #19
Harley Quinn Vol. 4 #20
Harley Quinn Vol. 4 #21

Harley Quinn Vol. 4 2022 Annual #1 (2022)

Harley Quinn Vol. 4 #22
Harley Quinn Vol. 4 #23
Harley Quinn Vol. 4 #24
Harley Quinn Vol. 4 #25
Harley Quinn Vol. 4 #26
Harley Quinn Vol. 4 #27

Multiversity: Harley Screws Up the DCU #1 (2023)
Multiversity: Harley Screws Up the DCU #2
Multiversity: Harley Screws Up the DCU #3
Multiversity: Harley Screws Up the DCU #4
Multiversity: Harley Screws Up the DCU #5
Multiversity: Harley Screws Up the DCU #6

Harley Quinn Vol. 4 #28
Harley Quinn Vol. 4 #29
Harley Quinn Vol. 4 #30
Harley Quinn Vol. 4 #31

Poison Ivy #13

Knight Terrors: Harley Quinn #1 (2023)
Knight Terrors: Harley Quinn #2

Knight Terrors: Poison Ivy #1 (2023)
Knight Terrors: Poison Ivy #2

Harley Quinn Vol. 4 #32
Harley Quinn Vol. 4 #33
Harley Quinn Vol. 4 #34
Harley Quinn Vol. 4 #35
Harley Quinn Vol. 4 #36

Harley Quinn Annual 2024 #1 (2024)

Harley Quinn Vol. 4 #37
Harley Quinn Vol. 4 #38
Harley Quinn Vol. 4 #39
Harley Quinn Vol. 4 #40
Harley Quinn Vol. 4 #41
Harley Quinn Vol. 4 #42
Harley Quinn Vol. 4 #43

Poison Ivy #22
Poison Ivy #23
Poison Ivy #24
Poison Ivy #25

Harley Quinn Vol. 4 #44
Harley Quinn Vol. 4 #45
Harley Quinn Vol. 4 #46
Harley Quinn Vol. 4 #47
Harley Quinn Vol. 4 #48
Harley Quinn Vol. 4 #49
Harley Quinn Vol. 4 #50
Harley Quinn Vol. 4 #51
Harley Quinn Vol. 4 #52
Harley Quinn Vol. 4 #53
Harley Quinn Vol. 4 #54
Harley Quinn Vol. 4 #55
Harley Quinn Vol. 4 #56
Harley Quinn Vol. 4 #57
Harley Quinn Vol. 4 #58
Harley Quinn Vol. 4 #59