Ken Carpenter may refer to:

• Ken Carpenter (gridiron football) (1926–2011), American and Canadian football player, 1950–1960
• Ken Carpenter (announcer) (1900–1984), NBC radio announcer
• Ken Carpenter (discus thrower) (1913–1984), 1936 Summer Olympics gold medalist in the discus throw
• Ken Carpenter (cyclist) (born 1965), American track cyclist
• Ken Carpenter (journalist) (born 1956), American journalist and journalism professor
• Kenneth Carpenter (born 1949), American paleontologist