Cássio
- Anthony Casso
- Casio
- Cassia (disambiguation)
- Cassie (disambiguation)
- Cassio Werneck
- Cassiobridge tube station
- Cassiobury
- Cassiobury House
- Cassiobury Park
- Casso, Pordenone
- Cássio (footballer, born 1987)
- Cássio (footballer, born 1999)
- Cássio (footballer, born August 1980)
- Cássio (footballer, born January 1980)
- Cássio Alessandro de Souza
- Cássio Alves de Barros
- Cássio Motta
- Cássio Vargas
- Kassio (disambiguation)
- List of Star Wars Legends characters
- Michael Cassio
- Nicola Cassio