- Kabuki: The Ghost Play (2002)[1] 1
- Kanan (2015)[6] 7-12
- Karnak (2015)[6] 1-6
- Katana (2013)[10] 1-10
- Kathy (1959)[27] 1-27
- Katy Keene (1984)[21] 7-10,14,18-33
- Ka-Zar the Savage (1981)[34] 1-34
- Keen Detective Funnies (1938)[7] 18-24
- Ken Shannon (1951)[10] 1-10
- Kenshin (2001)[7] 1-4,6-7,9
- KFC: Crisis of Infinite Colonels (2016)[1] 1
- Kid Colt Outlaw (1948)[229] 1-229
- Kid Sherlock (2017)[4] 1-4
- Kill or Be Killed (2016)[17] 1-5,7-18
- Kill Shakespeare: Juliet: Past is Prologue (2017)[4] 1-4
- Kill the Minotaur (2017)[6] 1-6
- Kim & Kim (2016)[4] 1-4
- The Kingdom (1999)[2] 1-2
- Kingdom Bum (2015)[4] 1-4
- Kingpin (2017)[5] 1-5
- Kings Quest (2016)[5] 1-5
- King's Road (2016)[3] 1-3
- Kingsway West (2016)[4] 1-4
- Kinski (2013)[6] 1-6
- Kirby: Genesis - Dragonsbane (2012)[4] 1-4
- KISS (2012)[6] 1-4,7-8
- KISS: The Demon (2017)[4] 1-4
- Klaus (2015)[7] 1-7
- Knights of the Dinner Table (1994)[187] 1-149,169,172,180,188,202-233,235,239
- Knights Of The Dinner Table Illustrated (2000)[29] 1-27,31,41
- Kona (1962)[20] 2-21
- Kong: King Of Skull Island (2007)[6] 0-5
- Kong of Skull Island (2016)[11] 1-9,11-12
- Koshchei the Deathless (2017)[6] 1-6
- Kull (2008)[6] 1-6
- Kull The Destroyer (1973)[19] 11-29
- Kurt Busiek's Astro City (1996)[21] 2-22
- Kyoko Karasuma (2007)[9] 1-9
