Malgudi Subha (also spelled as Malgadi Shuba) is an Indian playback singer. She has recorded songs in Tamil, Telugu, Kannada, Malayalam and Hindi. In a career spanning two decades, she sang more than 3000 songs

She counts Usha Uthup among her role models. She is a great fan of Kishore Kumar.

She began her career by providing vocals for ad jingles composed by people like A. R. Rahman and Viji Manuel. She debuted as a playback singer in the film Nadodi Thendral, with music by Ilayaraja.^[2] Prominent Indian composer A. R. Rahman’s debut album, Set Me Free (also called Shubhaa Set Me Free), had all its songs sung by Malgudi Shubha.^[4] The album, which was released in the early 1990s by some local labels, went unnoticed, but became a good seller when it was re-released in 1996 by the label Magnasound.

Her first successful Telugu album, Chikpak Chikbhum, which was released in Chennai, sold ten lakh copies. The songs were composed by Raj-Koti, under whom A. R. Rahman was assisted.

She has appeared as a judge on the Malayalam language music competition program Idea Star Singer. She is a judge in Star Singer 2 (Kannada), airing on Asianet Suvarna from 7-8 pm on weekdays. She is also a judge in the Tamil music competition program Super Singer in Star Vijay.

The South Indian actress Priyamani is her niece.