Landon is an English surname and place name meaning "long hill", from the Old English lang and dun. Actor Michael Landon of Little House on the Prairie put it in front of American families, and it became a first name in the 1990s. Landon ranked number 200 in 2000, entered the top 100 in 2003 and peaked at number 33 in 2010, and in 2025 it stands at number 127.