- Katy Rose 3
- Kay Carter 1
- Kay Lovely 3
- Kayla Carrera 1
- Kayla Green 2
- Kayla Paige 1
- Kayley Gunner 3
- Kaylynn Keys 1
- Kayo Mukai 1
- Kazuhiro Abe 6
- Kazuma 1
- Kazumi 1
- Kazumi Yokoi 1
- Kazumitsu Yokoyama 1
- Kazusaka 1
- Kazuya Kakinuma 1
- Kei Ikeda 1
- Kei Kei 5
- Keiko Adachi 2
- Keira Croft 1
- Keiran Lee 1
- Keisha Grey 4
- Keke 1
- Kelly Greene 1
- Kelly Madison 6
- Kelly Norton 1
- Kelly Oliveira 1
- Kelsey Kane 2
- Kelsi Monroe 4
- Ken Feels 1
- Kendale 1
- Kendra Lust 4
- Kendra Spade 1
- Kendra Sunderland 3
- Kenide 2
- Kenji Sano 2
- Kenna James 6
- Kennedy Kressler 1
- Kenta 1
- Kenta Kudo 3
- Kento Hisaki 13
- Kenzie Love 2
- Kenzie Reeves 8
- Kenzie Taylor 4
- Kerry Louise 1
- Kevlyn Santos 1
- Khadija Salim 1
- Khloe Kapri 4
- Khloe Kay 1
- Kianna Bradley 1
- Kianna Dior 3
- Kiara Gold 1
- Kiara Lord 4
- Kiara Mia 1
- Kiarra Kai 1
- Kiki 1
- Kiki Minaj 4
- Kikuchi Rina 1
- Kiley Jay 1
- Kim Gold 1