When I Said I Do

{{Infobox song

| name = When I Said I Do

| cover = When I Said I Do Clint Black.jpg

| alt =

| type = single

| artist = Clint Black with Lisa Hartman Black

| album = D'lectrified

| B-side = "You Don't Need Me Now"{{cite book|last=Whitburn|first=Joel|title=Hot Country Songs 1944 to 2008|publisher=Record Research, Inc|year=2008|pages=50–51|isbn=978-0-89820-177-2}}

| released = August 30, 1999

| recorded =

| studio =

| venue =

| genre = Country

| length = 4:30 {{small|(album version)}}
4:05 {{small|(single edit)}}

| label = RCA Nashville

| writer = Clint Black

| producer = Clint Black

| chronology = Clint Black

| prev_title = You Don't Need Me Now

| prev_year = 1999

| next_title = Been There

| next_year = 2000

| misc = {{Extra chronology

| artist = Lisa Hartman Black

| type = singles

| title = When I Said I Do

| year = 1999

| next_title = Easy for Me to Say

| next_year = 2001

}}

}}

"When I Said I Do" is a song written by American country music singer Clint Black, and recorded by Black and his wife Lisa Hartman Black as a duet. It was released in August 1999 as the first single from Black's album D'lectrified. The song reached the top of the U.S. Billboard Hot Country Singles & Tracks chart and the Canadian RPM Country Tracks chart. It also peaked at number 31 on the U.S. Billboard Hot 100, making it a crossover hit. It is one of only two chart singles for Lisa Hartman Black. The song was later covered by then-husband and wife Kenny Lattimore and Chanté Moore on their album Things That Lovers Do.