Altone D'Costa (born 1976/77), is an Indian politician and businessman who currently serves as a member of Goa Legislative Assembly representing the Quepem Assembly constituency.

D'Costa contested on Indian National Congress ticket in 2022 Goa Legislative Assembly election and emerged victorious.

He defeated former Deputy Chief Minister and four term BJP MLA, Chandrakant Kavlekar by a margin of 3601 votes.

D'Costa also has completed an electric and welding course from Agnel Trade School, Verna in 1995.

[3] The couple own the La Grace Resort Chains in Goa.