Loy Mendonsa is an Indian musician, and part of the Shankar-Ehsaan-Loy trio which consist of himself, Shankar Mahadevan and Ehsaan Noorani. Before becoming a music composer, he played piano and keyboards for famous Indian music composers such as A. R. Rahman and Nadeem-Shravan. His daughter, Alyssa Mendonsa, made her singing debut with the song Uff Teri Adaa from the movie Karthik Calling Karthik.

Loy Mendonsa started his career by composing the signature tune for 'The World This Week' show on Doordarshan.