Kelpfish may refer to:

• Chironemus, the only genus in the family Chironemidae, commonly referred to as kelpfishes
  • Large kelpfish (Chironemus marmoratus), commonly known as the kelpfish
• Gibbonsia, a genus of blennies from the family Clinidae, its members having the common name kelpfish
  • Gibbonsia elegans, the spotted kelpfish
  • Gibbonsia metzi, the striped kelpfish
  • Gibbonsia montereyensis, the crevice kelpfish
• Giant kelpfish (Heterostichus rostratus), a species of blenny in the family Clinidae
• Sebastiscus marmoratus, the false kelpfish, a species of rockfish from the family Scorpaenidae
• Oxyjulis californica, the señorita, a species of wrasse sometimes referred to as a type of kelpfish