Maxine Moore Waters (née Carr; born August 15, 1938) is an American politician serving as the U.S. Representative for California's 43rd congressional district since 1991. The district, numbered as the 29th district from 1991 to 1993 and as the 35th district from 1993 to 2013, includes much of southern Los Angeles, as well as portions of Gardena, Inglewood and Torrance.

A member of the Democratic Party, Waters is currently in her 15th term in the House. She is the most senior of the twelve black women currently serving in Congress, and she chaired the Congressional Black Caucus from 1997 to 1999. She is the second most senior member of the California congressional delegation after Nancy Pelosi. She is currently the chairwoman of the House Financial Services Committee.

Before becoming a U.S. Representative, Waters served in the California State Assembly, to which she was first elected in 1976. As an assemblywoman, she advocated divestment from South Africa's apartheid regime. In Congress, she was an outspoken opponent of the Iraq War and has sharply criticized Republican Presidents George H. W. Bush, George W. Bush, and Donald Trump, as well as Democratic President Barack Obama.

Waters was included in Time magazine's 100 Most Influential People of 2018.