Namesakes
Characters in Greek Mythology:
1 character
Cleo (f) 
Fictional Characters from Television:
1 character
Cleo Finch 1994 ER
Hurricanes and Tropical Storms:
3 hurricanes
Hurricane Cleo 1958
Hurricane Cleo 1960
Hurricane Cleo 1964
Notable Actors and Entertainers:
1 actor
Cleo King 1962-
Notable Musicians:
1 singer
Cleo Laine 1927-
Notable Writers:
1 author
V. C. Andrews (a.k.a. Cleo) 1923-1986