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- Katana Kombat 2
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- Katarina Muti 1
- Kate Black 1
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- Kate Dee 4
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- Kate Truu 1
- Katerina Hartlova 6
- Katerina Kay 2
- Katharine Madrid 1
- Katherine Lee 1
- Kathia Nobili 1
- Kathy Anderson 3
- Katie Cummings 2
- Katie Fey 1
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- Katie Kox 3
- Katie Kush 4
- Katie Morgan 14
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- Katja Kassin 4
- Katlein Ria 1
- Katlyn James 1
- Katrin Tequila 2
- Katrin Wolf 3
- Katrina Jade 11
- Katrina Moreno 3
- Katsuni 7
- Katt Noir 1
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- Katy Rose 7
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- Kay Carter 3
- Kay Love 1
- Kay Lovely 12
- Kay Parker 1
- Kayden Kross 4
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- Kayla Paige 6
- Kayla West 1
- Kaylani Lei 3
- Kaylee Kisses 1
- Kayley Gunner 6
- Kaylynn 1
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- Kazuhiko 1
- Keely Rose 1
- Keira Croft 3