"I Didn't Know My Own Strength" is a song written by Rick Bowles and Robert Byrne, and recorded by American country music artist Lorrie Morgan. It was released in May 1995 as the first single from her compilation album Reflections: Greatest Hits. The song became Morgan's third and final Number One on the U.S. country singles charts in August 1995.
^Billboard, May 6, 1995, page 24, "Formidable combination: Hot Shot Debut honors for 'I Didn't Know My Own Strength' at No. 62," by Wade Jessen
^Whitburn, Joel (2008). Hot Country Songs 1944 to 2008. Record Research, Inc. pp. 286–287. ISBN978-0-89820-177-2.