Meg is a feminine given name, often a short form of Margaret, Megan, Megumi (Japanese), etc. It may refer to:

People

• Meg (singer) (born 1980), Japanese singer
• Meg Cabot (born 1967), American author of romantic and paranormal fiction
• Meg Burton Cahill (born 1954), American politician and former Arizona state senator
• Meg Foster (born 1948), American actress
• Meg Greenfield (1930-1999), American Pulitzer Prize-winning editorial writer and columnist
• Meg Frampton (born 1985), guitarist and back-up singer for the band Meg & Dia
• Meg Hutchins (born 1982), Australian rules footballer
• Meg Johnson (actress) (1936–2023), English actress
• Meg Kelly, American television soap opera screenwriter
• Meg Lanning (born 1992), Australian cricketer
• Meg Lee Chin (born 1960), Taiwanese-American singer-songwriter, best known as a member of the group Pigface
• Meg LeFauve (born 1969), American screenwriter (co-nominated for the Academy Award for Inside Out) and producer
• Meg Lees (born 1948), Australian politician
• Meg Mallon (born 1963), American LPGA golfer
• Meg Meeker (born 1957), American pediatrician and author
• Meg Morris (born 1992), American National Women's Soccer League player
• Meg Ryan (born 1961), American actress
• Meg Tilly (born 1960), Canadian-American actress, born Margaret Elizabeth Chan
• Meg Turney (born 1987), American YouTube personality
• Meg White (born 1974), American drummer, half of the rock duo The White Stripes (with former husband Jack White)
• Meg Whitman (born 1956), former CEO of eBay and California gubernatorial candidate
• Meg Wolitzer (born 1959), American author
• Meg Wyllie (1917–2002), American actress
• Long Meg of Westminster (16th-century) English tavern keeper
• Margarete Pioresan, known as Meg (born 1956), Brazilian football goalkeeper
• Meg Donnelly (born 2000), American actress mostly known for her work with Disney Channel
• Meg (Maria Di Donna), Italian singer and former member of band 99 Posse and duo Nous

Fictional characters

• The Meg, the titlular megalodon shark in:
  • the 1997 novel series Meg
  • the 2018 action movie The Meg
• Meg Griffin, one of the main characters on the animated television show Family Guy
• Margaret March, in Louisa May Alcott's novels Little Women, Little Men and Jo's Boys
• Meg Masters, on the television show Supernatural
• Meg Murry, in Madeleine L'Engle's Time Quintet novels
• Meg Snyder, on the American soap opera As the World Turns
• Meg!, a comic strip
• Meg (Disney character) in Disney's 1997 film Hercules
• Meg, a minor character in Xena: Warrior Princess
• Meg, a supporting character in The Trials of Apollo by Rick Riordan
• Meg Kataoka (片岡 メグ), a character from the Assassination Classroom manga and anime series
• Meg and Mog, a series of children's books written by Helen Nicoll and illustrated by Jan Pieńkowski