Maretić is a Croatian surname.
Notable people with the name include:
- Damir Maretić (born 1969), Croatian football player
- Juraj Maretić (born 1993), Croatian football player
- John Maretich (Maretić) (born 1935-2014), Croatian American Senior Tool Engineer for Mcdonnell Douglas Corp. 1985-1990
- Tomislav Maretić (1854–1938), Croatian linguist and lexicographer