"Someone Else Calling You Baby" is a song co-written and recorded by American country music artist Luke Bryan.

"Someone Else Calling You Baby" is a moderate uptempo tune mainly accompanied by electric guitar.

In it, the male narrator sees his lover in someone else's truck and wonders if she has left him for someone else.

This song is set in the key of A♭ major, with a tempo of approximately 115 beats per minute.

[5][6] "Someone Else Calling You Baby" debuted at number 52 on the Hot Country Songs chart dated for the week ending of August 14, 2010 and became Bryan's second number one hit on that chart after "Rain Is a Good Thing".