Dumb Dumb may refer to:

"Dumb Dumb" (Red Velvet song), a 2015 by Red Velvet from the album The Red "Dumb Dumb" (Jeon Somi song), a 2021 single by Somi "Dumb Dumb", a 2021 single by Mazie from the album the rainbow cassette

See also Dum Dum (disambiguation) Dumdi Dumdi, an album by (G)I-dle