Landa is a Basque surname. It is also an Ashkenazi Jewish surname, a modification of Landau. Notable people with the surname include:
Alfredo Landa (1933–2013), Spanish actor
Diego de Landa (1524 – 1579), fourth bishop of Yucatán
Daniel Landa (born 1968), Czech musician
Eli Landa (born 1984), Norwegian model
Honorino Landa (1942–1987), Chilean soccer player
Konstantin Landa (born 1972), Russian chess grandmaster
Lucas Landa (born 1986), Argentine soccer player
Manuel de Landa (born 1952), Mexican-American writer
Miguel Ángel Landa (born 1938), Venezuelan actor, stand-up comedian, and television personality
Mikel Landa (born 1989), Spanish racing cyclist
Oryan Landa (born 1980), American actor
Fictional characters:
Hans Landa, character in the film Inglourious Basterds