Aigars Kalvītis (born June 27, 1966) is a Latvian politician and the current Prime Minister of Latvia.

Kalvītis graduated from Latvian University of Agriculture in 1992 with a degree in economics. From 1992 to 1998, he was a manager at various agriculture-related businesses. Kalvītis was one of founders of People's Party of Latvia in 1997 and was first elected to Saeima, the Latvian parliament, in 1998. He served as the minister of agriculture from 1999 to 2000 and the minister of economics from 2000 to 2002. Kalvītis was reelected to Saeima and became the leader of the parliamentary faction of People's Party in 2002.

On December 2, 2004, he became the Prime Minister of Latvia. Kalvītis leads a coalition government consisting of his own People's Party, New Era Party, Union of Greens and Farmers and Latvia First Party.