Leicht is a surname. Notable people with the surname include:

• Don Leicht (born 1946), American artist
• Federico Leicht (born 1974), Uruguayan journalist
• Helmut Leicht (1916–1944), German officer in the Luftwaffe
• Jacob Leicht (Wisconsin politician) (1876–1941), American politician
• Jake Leicht (1919–1992), American football player
• Stephen Leicht (born 1987), American stock car driver
• Stina Leicht, American author

• Leichter (surname)
• Leight (surname)
• Licht (surname)
• Light (disambiguation)
• Light (surname)
• Lite (disambiguation)
• Todd Lyght
• Lyte (disambiguation)
• Lyte (surname)