1968 United States Senate election in Wisconsin

{{Short description|none}}

{{Use mdy dates|date=September 2023}}

{{Infobox election

| election_name = 1968 United States Senate election in Wisconsin

| country = Wisconsin

| flag_year = 1913

| type = presidential

| ongoing = Yes

| previous_election = 1962 United States Senate election in Wisconsin

| previous_year = 1962

| next_election = 1974 United States Senate election in Wisconsin

| next_year = 1974

| election_date = November 5, 1968

| image1 = File:GaylordNelson.jpg

| image_size = 150x150px

| nominee1 = Gaylord Nelson

| party1 = Democratic Party (United States)

| popular_vote1 = 1,020,931

| percentage1 = 61.69%

| image2 = File:Jerris Leonard.png

| nominee2 = Jerris Leonard

| party2 = Republican Party (United States)

| popular_vote2 = 633,910

| percentage2 = 38.31%

| map_image = 1968 United States Senate election in Wisconsin results map by county.svg

| map_size = 250px

| map_caption = County results
Nelson: {{legend0|#7996e2|50–60%}} {{legend0|#6674de|60–70%}} {{legend0|#584cde|70–80%}} {{legend0|#3933e5|80–90%}}
Leonard: {{legend0|#e27f7f|50–60%}}

| title = U.S. Senator

| before_election = Gaylord Nelson

| before_party = Democratic Party (US)

| after_election = Gaylord Nelson

| after_party = Democratic Party (US)

}}

{{Elections in Wisconsin}}

In the United States Senate election in Wisconsin in 1968, incumbent Democrat Gaylord A. Nelson defeated Republican Jerris Leonard.