"One Thing at a Time" is a song co-written and recorded by American country music singer Morgan Wallen.

Wallen wrote the song with Ashley Gorley, Ernest Keith Smith, and Ryan Vojtesak, and it was produced by Joey Moi.

[1] It is the title track and third single (fourth overall) at country radio from his 2023 album, One Thing at a Time.

[2] "One Thing at a Time" debuted at number two on the Billboard Hot Country Songs chart dated for December 17, 2022, behind Wallen's own "You Proof".

[3] As the song ascended the Country Airplay chart simultaneously with "Last Night", and overlapped with previous single "You Proof", Wallen thus became the first solo artist to have three songs in the top fifteen positions of the Country Airplay chart simultaneously.