Rey is a surname. Notable people with the surname include:
Abel Rey (1873–1940), French philosopher and historian of science.
Alain Rey (1928–2020), French linguist, lexicographer and radio personality
Alain Rey (ski mountaineer) (born 1982), Swiss ski mountaineer
Alejandro Rey (1930–1987), Argentine actor
Alexandre Rey (born 1972), Swiss former footballer
Alvino Rey (1908–2004), American musician
Ana del Rey (born 1985), Spanish actor
André Rey (footballer) (born 1948), French footballer
André Rey (psychologist) (died 1965), Swiss psychologist
Anthony Rey (1807–1847), French Jesuit
Bárbara Rey (born 1950), Spanish television moderator and actress
Barret Rey, American college baseball coach
Blanca del Rey, Spanish flamenco dancer and choreographer
Corinne Rey-Bellet (1972–2006), Swiss alpine skier
Dominique Rey (born 1952), French clergy, bishop of Fréjus-Toulon
Émile Rey (1846-1895), alpine mountain guide
Eugene Rey (1838–1909), German chemist and ornithologist
Fernando Rey (1917–1994), the stage name of Spanish-born actor Fernando Casado D'Arambillet
Gabriel Venance Rey (1763–1836), French general of the French Revolution and Napoleonic Wars
Hans Rey (born 1966), German cyclist
H. A. Rey (1898–1977) and Margret Rey (1906–1996), authors of the Curious George series of children's books
Jacques Rey (born 1942), French politician
Jean-Baptiste Rey (1734-1810), French conductor and composer
Jean Rey (physician), French physician and chemist
Jean Rey (politician) (1902–1983), Belgian Liberal politician, former president of the European Commission
Jean-Yves Rey (born 1970), Swiss ski mountaineer
José Manuel Rey (born 1975), Venezuelan football player
Julio Rey (born 1972), Spanish marathon runner
Johnny Rey (1963–2006), American actor, model, and director
Lana Del Rey (born 1985), American singer, songwriter, record producer, and model
Louis-Charles-Joseph Rey (1738–1811), cellist and composer
Louis Emmanuel Rey (1768–1846), French general of the French Revolution and Napoleonic Wars
Luis Rey (disambiguation)
Nicholas Andrew Rey (1938–2009), United States ambassador
María Luján Rey (born 1969), Argentine politician
Marie Michele Rey (1938–2019), Haitian politician
Micheline Calmy-Rey (born 1945), Swiss politician
Mona Louise Rey (born 2004), Filipino actress
Ofelia Rey Castelao, Spanish historian, writer, and university professor
Paola Rey (born 1979), Colombian actress
Reynaldo Rey (1940–2015), American actor and comedian
Robert Rey, plastic surgeon and subject of Dr. 90210 reality television show
Tony Rey (musician) (born 1960), American guitarist
Willy Rey (1949–1973), Playboy Playmate of the Month, February 1971
Fictional characters
Samandahl Rey, comic book character
Cecile Rey, American Girl historical character from 1850s New Orleans
