Alyssa Mendonsa (born c. 1990 in Delhi) is an Indian playback singer who has made her debut in the film Karthik Calling Karthik with the song "Uff Teri Adaa".
She is the daughter of composer Loy Mendonsa of the Shankar-Ehsaan-Loy trio who compose music for Bollywood films. She also sang "Oh Girl" and "Papa Jag Jayega" along with Neeraj Shridhar and Ritu Pathak for the Sajid Khan movie Housefull.Her vocal for the song "Adhoore" of Break Ke Baad was well received by the audiences. She also sung "Baby When You Talk To Me" for the film Patiala House. Her recent song was "Khushfehmiyan" for the film One by Two (2014) with Shankar Mahadevan.
Her latest song is "Khaabon Ke Parinday" has taken the airwaves by storm, melodious, soft acoustic guitars, harmonicas and stiff jazz style drums make this an endearing song / beat to listen to, it's from the movie Zindagi Na Milegi Dobara.Filmed on Katrina Kaif, this song has seen unsurpassed demand on airwaves and is set to bag many a Bollywood and global musical awards.She has rendered a song in the 2013 Malayalam film Amen. She recently sang a song "Be You" for a Gurgaon based fashion and lifestyle e-commerce portal Jabong.com. The song is being featured on several TV channels in India.