"Love of a Lifetime" is a song performed by the American rock band FireHouse. It was the band's third single and its highest-charting single in the United States, entering the Billboard Hot 100 June 29, 1991, at No. 81 and peaking at No. 5 the week of September 28, 1991. It is also the band's first and most popular power ballad. The song was written by vocalist C. J. Snare and guitarist Bill Leverty.