Cecilio
Cecilio may refer to:
- Cecilio Apostol, Filipino poet
- Cecilio Báez, provisional President of Paraguay 1905–1906
- Cecilio Perez Bordon, Paraguayan Minister of Public Works under President Fernando Lugo
- Cecilio Guante, former professional Major League Baseball player
- Cecilio Lastra, former Spanish professional boxer
- Ronaldo Cecilio Leiva, Guatemalan military officer, Minister of Defence from 2006 to 2008
- Cecilio Lopes, Cape Verdean international football player
- Cecilio Zubillaga Perera, Venezuelan journalist
- Cecilio Plá, Spanish painter
- Cecilio Putong, Filipino educator, writer, Boy Scout leader, UNESCO fellow, author, pensionado and Philippine Secretary of Education
- Cecilio Romaña, Argentinian physician remembered for describing Romaña's sign
- José Cecilio del Valle, first president of United Provinces of Central America
- Cecilio Waterman, Panamanian professional association football striker