Mercedes is a girls name of Spanish origin, referring to a title for the Virgin Mary, "Our Lady of Mercy." The word may also refer to:

;Automobile-related * Mercedes (car), the pre-1927 brand name of German automobile models and engines built by Daimler company * Mercedes-Benz, the post-1926 German brand of automobiles, engines, and trucks owned by Daimler AG * Mercedes-AMG, a subdivision of Daimler AG providing high-powered models * Mercedes GP, Formula One racing team * American Mercedes (1904 automobile), a company licensed to build Mercedes automobiles in America * Mercedes Benz (song), also known as "The Politician", is an a cappella song sung by Janis Joplin.

;Women with the first name Mercedes: *Mercedes de Acosta (1893–1968), poet and socialite *Mercedes Bresso (born 1944), Italian politician *Mercedes Calder�n (born 1965), Cuban volleyball player *Mercedes Corby (born 1974), sister of convicted drug smuggler Schappelle Corby *Merc�d�s Jellinek (1889–1929), the namesake for Mercedes-Benz automobiles *Mercedes Lackey (born 1950), fantasy author *Mercedes Lander, drummer for Canadian alt-metal band Kittie *Mercedes McCambridge (1916–2004), actress *Mercedes McNab (born 1980), Canadian-born actress *Mercedes of Orl�ans (1860 - 1878), queen consort of Spain *Mercedes P�rez (born 1987), Colombian weightlifter *Mercedes Peris (born 1985), Spanish backstroke swimmer *Mercedes, Princess of Asturias (1880-1904), Spanish royal *Mercedes Ruehl (born 1948), U.S. actress *Mercedes Sosa (1935 - 2009), Argentine singer *Merc�desz Stieber (born 1974), Hungarian water polo player *Mercedes Yvette (born 1981), fashion model and actress *Mercedes (rapper), R&B and hip-hop singer

;Women with the last name Mercedes: *Eleoncio Mercedes (1957–1985), boxer *Nina Mercedez pornographic actress

;Fictional characters: *Merc�d�s, character in Alexandre Dumass novel The Count of Monte Cristo *Mercedes McQueen, character in the British soap opera Hollyoaks *Mercedes, one of the five main characters of Odin Sphere *Mercedes, a character in the opera Carmen by Georges Bizet *Mercedes Jones, a character from the TV series Glee (Glee (TV series))

;Places: *Mercedes, Buenos Aires, Argentina *Mercedes, Corrientes, Argentina *Mercedes, Camarines Norte, Philippines *Mercedes, Eastern Samar, Philippines *Mercedes, Texas, United States *Mercedes, Uruguay

;Ships *Nuestra Se�ora de las Mercedes, a Spanish treasure ship sunk by the British in 1804 *Mercedes (shipwreck) (Mercedes (shipwreck)), a freighter shipwrecked off Florida in 1984 *Spanish cruiser Reina Mercedes (Spanish cruiser Reina Mercedes), a cruiser that was scuttled as a blockship in 1898. It was later salvaged and saw service with the United States Navy as USSReina MercedesIX-25 *USSMercedesYT-108 - see List of United States Navy ships: M *BAP Mercedes, a Peruvian Navy frigate (list of Peruvian Navy ships) in service 1840s-50s *RFA Mercedes, a collier which served with the Royal Fleet Auxiliary (List of replenishment ships of the Royal Fleet Auxiliary)

;Other uses * Mercedes, a proposed gossamer-winged butterfly genus nowadays again included in Calycopis * "Mercedes" (song) (Mercedes (song)), a song by Joseph Arthur * Mercedes (calculator), an early 20th-century computing device * Mercedes College (Adelaide), South Australia * Mercedes College, Perth, Western Australia