Female •
Merle Barwis (1900–2014), American-Canadian supercentenarian •
Merle van Benthem (born 1992), Dutch cyclist •
Merle Chambers (born 1946), American business executive •
Merle Collins (born 1950), Grenadian poet and writer •
Merle Dandridge (born 1975), American actress and singer •
Merle Egan Anderson (c. 1888–1984), American military servicewoman •
Merle Feld (1947), American author, playwright, poet and activist •
Merle S. Goldberg (1936–1998), American journalist and abortion rights activist •
Merle Goldman (1931–2023), American historian •
Merle Greene Robertson (1913–2011), American artist, art historian and archaeologist •
Merle Greenwood (1900-1990), Australian-born New Zealand architect • Merle Henderson (born 1990), Scottish medical doctor and researcher •
Merle Hodge (born 1944), Trinidadian novelist •
Merle Hoffman (born 1946), American journalist and activist •
Merle Jääger (born 1965), Estonian actress and poet •
Merle Karusoo (born 1944), Estonian stage director and writer •
Merle Keagle (1923–1960), American baseball player •
Merle G. Kearns (1938–2014), American politician •
Merle Kivimets (born 1974), Estonian track and field athlete •
Merle Krigul (born 1954), Estonian philologist and politician •
Merle Liivand (born 1991), Estonian swimmer and environmental activist •
Merle Louise (1934–2025), American Broadway actress •
Merle Oberon (1911–1979), Indo-English actress •
Merle Palmiste (born 1970), Estonian actress •
Merle Park (born 1937), British prima ballerina •
Merle Parts (born 1967), Estonian judge •
Merle Richardson (born 1930), Australian lawn bowls player •
Merle Soppela (born 1991), Finnish alpine ski racer •
Merle Talvik (born 1954), Estonian actress •
Merle Temkin (born 1937), American artist •
Merle Tottenham (1901–1958), English film actress •
Merle Viirmaa (born 1974), Estonian biathlete •
Merle Woo (born 1941), American academic and activist
Male •
Merle Allin (born 1953), American punk rock musician •
Merle Anthony (1926–1993), American baseball umpire •
Merle Battiste (1933–2009), American chemist •
Merle Bettenhausen (1943–2026), American race car driver •
Merle Boucher (born 1946), American politician •
Merle Boyer (1920–2009), American jewelry designer •
Merle Curti (1897–1997), American historian and Pulitzer Prize winner •
Merle Dickerson (1911/12–1984), Canadian politician •
Merle Evans (1891–1987), American cornet player and circus bandleader •
Merle Fainsod (1907–1972), American political scientist •
Merle Flowers (born 1968), American politician •
Merle Gulick (1906–1976), American football player •
Merle Haggard (1937–2016), American country-western musician •
Merle Hansen (1919–2009), American farm activist •
Merle Harmon (1926–2009), American sportscaster •
Merle Hay (1896–1917), American Army soldier, first American soldier killed in World War I •
Merle J. Isaac (1898–1996), American composer •
Merle Kilgore (1934–2005), American singer, songwriter and manager •
Merle Lawrence (1915–2007), American physiologist •
Merle Randall (1888–1950), American physical chemist •
Merle Robbins (c. 1912–1984), businessman, inventor of the card game
UNO •
Merle Sande (1939–2007), American physician •
Merle Schlosser (1923–1993), American football player and coach •
Merle Settlemire (1903–1988), American baseball player •
Merle Shain (1935–1989), Canadian author and journalist •
Merle Taylor (1927–1987), American bluegrass musician •
Merle Travis (1917–1983), American country music singer •
Merle Tuve (1901–1982), American geophysicist •
Merle Watson (1945–1985), American folk musician •
Merle Leland Youngs (1886–1958), American businessman ==Fictional characters==