Merv is a city in Turkmenistan.

Merv is also a nickname for Mervin or Mervyn:

• Merv Batt, birth name of professional wrestler Steve Rickard
• Merv Connors (1914–2006), American baseball player
• Merv Cross (1941–2023), Australian rugby league player
• Merv Denton (1919–1980), Australian rugby league player
• Merv Everett (1917–1988), Australian politician and judge
• Merv Gordon, New Zealand association footballer
• Merv Griffin (1925–2007), American TV personality
• Merv Harvey (1918–1995), Australian cricketer
• Merv Hicks (born 1943), Welsh rugby union and rugby league player
• Merv Hobbs (born 1942), Australian rules footballer
• Merv Hughes (born 1961), Australian cricketer
• Merv Hunter (1926–2013), Australian politician
• Merv Jackson, American basketball player
• Merv Johnson (born 1923), Canadian politician
• Merv Krakau (born 1951), American National Football League player
• Merv Leitch (1926–1990), Canadian politician
• Merv McIntosh (1922–2010), Australian rules footballer
• Merv Mosely (born 1966), American football player
• Merv Neagle (1958–2012), Australian rules footballer
• Merv Pregulman (1922–2012), American National Football League player
• Merv Rettenmund (born 1943), American baseball player
• Merv Richards (1930–2018), New Zealand pole vaulter
• Merv Rose, Australian tennis player
• Merv Rylance, Australian rugby union player
• Merv Shea (1900–1953), American baseball player
• Merv Tweed (born 1955), Canadian politician
• Merv Wallace (1916–2008), New Zealand cricketer
• Merv Warren, American musician and record producer
• Merv Wellington (1940–2003), New Zealand politician
• Merv Wood, Australian rower

• Merv Pumpkinhead, in Neil Gaiman's The Sandman series
• "Merv the Perv", a recurring character on Saturday Night Live

• Merv (East Syriac ecclesiastical province), an East Syriac region circa 5th–11th centuries
• Merv (film), an upcoming American romantic comedy film
• Minimum efficiency reporting value (MERV), a measurement scale for the effectiveness of air filters