Namesakes
Fictional Characters from Television:
1 character
Waldo Geraldo Faldo 1989 Family Matters 
Notable Actors and Entertainers:
1 actor
Brian Donlevy (a.k.a. Waldo) 1901-1972
Notable Writers:
3 authors
Ralph Waldo Emerson 1803-1882
Waldo Frank 1889-1967
Ralph Ellison (middle name Waldo) 1913-1994
Olympic Medalists:
1 bronze/silver/gold
(bronze/silver/gold) Ralph Rose (middle name Waldo) 1904; 1908; 1912 discus throw; hammer throw; shot put; shot put - both hands