Maddy (given name) explained

Maddy or Maddie is a shortened form of the feminine given names Madeleine, Madelyn, Madison, etc.

People

Maddy Crippen (born 1980), American medley swimmer
Maddy Cusack (1995–2023), English footballer
Maddy English (1925–2004), American professional baseball player
Maddy Evans (born 1991), American soccer player
Maddy Hill (born 1990), English actress
Maddie Moate (born 1988), English TV presenter and YouTube filmmaker
Maddy Morphosis (born 1994), American drag performer
Maddie Poppe (born 1997), American singer-songwriter, 16th winner of American Idol (2018)
Maddy Prior (born 1947), English folk singer
Maddie Rooney (born 1997), American ice hockey player
Maddy Rosenberg (born 1956), American artist and curator
Maddy Scott (born 1991), Canadian person who has been missing since 2011
Maddy Siegrist (born 2000), American basketball player
Maddy Thorson (born 1988), Canadian video game developer
Maddie Ziegler (born 2002), American dancer
R. Maddy, nickname of R. Madhavan (born 1970), Indian film actor

Madalyn "Maddie" Bishop, main character of the 2018 show Siren
Madeline "Maddie" Kendall-Buckley, a 9-1-1 dispatcher on American television series 9-1-1
Maddie Fenton, on the Nickelodeon show Danny Phantom
Maddy Ferguson, on the U.S. television series Twin Peaks
Maddie Fitzpatrick, on the Disney television series The Suite Life of Zack and Cody
Maddie Flour, from the Disney Channel animated series Amphibia
Maddie Hayes, on the U.S. television series Moonlighting, role played by Cybill Shepherd
Maddie Heath, on the UK television show Coronation Street
Maddie Magellan, a lead character in the UK television show Jonathan Creek
Maddy Osborne, on the Australian soap opera Home and Away
Maddy Perez, a main character of the US HBO television show Euphoria
Maddie Rooney, from the Disney Channel program Liv and Maddie, played by Dove Cameron
Maddy Young, from the BBC medical drama Holby City
Maddie, inland taipan protagonist of Back to the Outback