Mervin is a masculine given name of Welsh origin which means "great lord".^{[citation needed]}

People with the name include:

• Mervin Field (1921–2015), American pollster
• Mervin D. Garretson (1923–2013), American educator
• Mervin Heller Jr. (1947–2012), American tennis player
• Mervin Jackson (1946–-2012), American basketball player
• Mervin Kaye (born 1929), Canadian rower
• Mervin Kelly (1894–1971), American physicist
• Mervin King (1914–2008), American police officer
• Mervin Matthew (born 1985), West Indian cricketer
• Mervin E. Muller (1928–2018), American computer scientist
• Mervin C. Salazar (born 1977), Filipino writer
• Mervin C. Stanley (1857–1907), American businessman
• Mervin Vavasour (1821–1866), British engineer
• Mervin F. Verbit (born 1936), American sociologist