Krell is a surname. Notable people with the surname include:
David Farrell Krell (born 1944), American philosopher Gene Krell, American fashion entrepreneur, designer, and journalist Nikolaus Krell ( 1551–1601), chancellor of the elector of Saxony William Krell (1868–1933), ragtime composer
See also Kell (surname) Kroll Pong Krell, a character from Star Wars