Raúl Alfonsín (1927–2009), was the former President of Argentina.
Alfonsín may also refer to:
- Ricardo Alfonsín (born 1953), politician and son of the former President of Argentina
- Alfonsín (footballer) (born 1951), Spanish footballer and football manager
See also
edit- Alfonsina (disambiguation)
- Alfonsine, Italian comune
- Alfonsino, species of fish
- Alfonsine tables, astronomical table
