Fish scales are the rigid plates on the skin of a fish.

Fish scale may also refer to:

• "Fish Scale" (song), a 2022 song by rapper YoungBoy Never Broke Again
• Fish Scales, a rapper in the group Nappy Roots
• Fishscale, a 2006 album by Ghostface Killah
• "Fish Scale", a 1977 song by The David Grisman Quintet from the eponynous album
• A weighing scale to measure the weight of fish
• Traditional Canadian name for a 5 cent piece
• A texture found on waxless Nordic skis; see Ski wax

• Fish-scale gecko