Ostolaza
Ostolaza is a family name that may refer to:
- Blas de Ostolaza ( Blas Gregorio de Ostolaza y Ríos ; 1775-1835), Peruvian-Spanish clergyman
- Laurence Ostolaza (* 1967), French television journalist
- Margarita Ostolaza Bey , Puerto Rican sociologist and politician
- Santiago Ostolaza (soccer player, 1962) ( Santiago Javier Ostolaza Sosa ; * 1962), Uruguayan soccer player and coach
- Santiago Ostolaza (soccer player, 1987) ( Santiago Humberto Ostolaza Chimelir ; * 1987), Uruguayan soccer player