- Kaitlin
- Kaitlyn
- Kara
- Karen
- Kari
- Karin
- Karina
- Karl
- Karla
- Karyn
- Kasey
- Kate
- Katelyn
- Katharine
- Katherine
- Katheryn
- Kathi
- Kathie
- Kathleen
- Kathrine
- Kathryn
- Kathy
- Katie
- Katina
- Katrina
- Katy
- Kay
- Kaye
- Kayla
- Keisha
- Keith
- Kelley
- Kelli
- Kellie
- Kelly
- Kelsey
- Kelvin
- Ken
- Kendall
- Kendra
- Kendrick
- Kenneth
- Kenny
- Kent
- Kenya
- Keri
- Kermit
- Kerri
- Kerry
- Kevin
- Kim
- Kimberlee
- Kimberley
- Kimberly
- Kirby
- Kirk
- Kirsten
- Kitty
- Kris
- Krista
- Kristen
- Kristi
- Kristie
- Kristin
- Kristina
- Kristine
- Kristopher
- Kristy
- Krystal
- Kurt
- Kurtis
- Kyle