1. Kaiwarinus Suzuki 1962
2. Kajikia Hirasaka & Nakamura 1947
3. Kamegainema Hasegawa, Doi, Araki & Miyata 2000
4. Kamoharaia Kuronuma 1940
5. Kandelia (DC.) Wight & Arn.
6. Kareius D.S. Jordan & Snyder 1900
7. Katsuwonus Kishinouye 1915
8. Kaupichthys Schultz 1943
9. Kemponia Bruce 2004
10. Keratella Bory de St. Vincent 1822
11. Kichulchoia Kim, Park & Nalbant 1999
12. Kirkaldyia Montandon 1909
13. Kirkegaardia Blake 2016
14. Kiyohimea Komai & Tokioka 1940
15. Koellikerina Kramp 1939
16. Koleolepas Stebbing 1900
17. Konosirus D.S. Jordan & Snyder 1900
18. Kopua Hardy 1984
19. Koreocobitis Kim, Park & Nalbant 1997
20. Koreonialoe Park & Kwon 1996
21. Kraemeria Steindachner 1906
22. Kraussina Davidson 1859
23. Kuhlia Gill 1861
24. Kyphosus Lacépède 1801