Kostakowsky
Kostakowsky ( Ukrain. : Костаковски; transliteration Kostakovsky ) is the surname of:
- Jacobo Kostakowsky (1883–1953), Ukrainian violinist and composer
- Lya Kostakowsky de Cardoza y Aragón (? –1988), Mexican writer, daughter of Jacobo K.
- Olga Kostakowsky (1913–1993), commonly known as Olga Costa , Mexican artist, daughter of Jacobo K.