Cacoethes () may refer to:
Cacoethes (horse) (1986–2009), American-bred British-trained race horse Cacoethes (moth), a genus of tiger moths, taxonomic synonym for Amata Rheinhold Cacoethes, a fictional character in The Dharma Bums by Jack Kerouac, based on Kenneth Rexroth
See also Mania, a mental and behavioral disorder Cacoethes scribendi (lit. 'insatiable desire to write') at List of Latin phrases (C)