Last Man on Earth is the sixteenth studio album by American singer-songwriter Loudon Wainwright III, released on September 24, 2001 on Red House Records.

Recorded in the wake of Wainwright's mother's death and the collapse of a romantic relationship, the album thematically addresses feelings of grief and loneliness.

In 2012, Wainwright noted, "Last Man on Earth was written right after my mother died, so a lot of the material on that record has to do with that momentous event.

In 1997, following his mother's funeral, Wainwright stayed in her home in Katonah, Westchester County for eighteen months.

[3] However, the album's title ultimately became Last Man on Earth, a song written in Suffolk County following Wainwright's eventual move from his mother's old home.