Landry is a surname of French origin. Notable persons with the surname include:
Adolphe Landry (1874–1956), French demographer and politician
Auguste Charles Philippe Robert Landry (1846–1919), Canadian politician, Speaker of the Senate of Canada
Ali Landry (born 1973), American actress and model
Andrew Landry (born 1987), American golfer
Beau Landry (born 1991), Canadian football player
Bernard Landry (1937–2018), Premier of Quebec
Carl Landry (born 1983), American basketball player
Charles Landry (born 1948), British author, urban planner
Cindy Landry (born 1972), Canadian pair skater
Dan Landry (born 1970), American volleyball player
Dawan Landry (born 1982), American football player
Doug Landry (1964–2015), American football player
Geoffroy IV de la Tour Landry (c. 1320–1391), French nobleman who compiled Livre pour l'enseignement de ses filles
Ghislaine Landry (born 1988), Canadian rugby player
Greg Landry (born 1946), American football player
H. Scott Landry (born 1948 or 1949), American politician
Hagan Landry (born 1994), American Paralympic athlete
Harold Landry (born 1996), American football player
Jarvis Landry (born 1992), American football player
Jeanne Landry (1922–2011), Canadian composer, pianist and teacher
Jeff Landry (born 1970), American politician
Joseph Aristide Landry (1817–1881), US Congressman
Joseph P. Landry (1922–2008), Canadian Senator
Kyle Landry (born 1986), Canadian basketball player
LaRon Landry (born 1984), American football player
L. B. Landry (1878–1934), American physician, and civil rights activist
Mabel Landry (1932–2025), American track and field athlete
Michelle Landry (born 1962), Australian politician
Nelly Landry (1916–2010), Belgian-born tennis player who later became a French citizen
Sir Pierre-Amand Landry (1846–1916), Canadian lawyer, judge, and political figure
Pierre Henri Landry (1899–1990), French tennis player
Richard Landry (born 1957), Canadian architect
Robert B. Landry (1909–2000), Major General US Air Force, adviser to President Truman
Ron Landry (1943–2020), American politician and lawyer
Ross Landry, Canadian politician
Sam Landry (born 2003), American softball player
Sirkka-Liisa Landry (1926–2008), Finnish chess master
Tom Landry (1924–2000), American football player and coach
Terry Landry Jr., American politician from Louisiana
Terry Landry Sr. (born 1951), American politician from Louisiana