London Lamar is an American politician. She is a member of the Democratic Party and a member of the Tennessee Senate representing district 33 since 2022. She was previously a member of the Tennessee House of Representatives from 2018 to 2022 representing District 91. During her time there, she was the youngest Tennessee State Representative in office. She was appointed to the Tennessee Senate in March 2022 by the Shelby County Commission after fellow Democrat Katrina Robinson was expelled due to her indictment on charges of wire fraud. Lamar was sworn in on March 8, 2022, and effectively resigned her house seat.

The Tennessee Senate is the upper house of the U.S. state of Tennessee's state legislature, which is known formally as the Tennessee General Assembly.