1964 United States Senate election in Connecticut

{{Short description|none}}

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

{{Infobox election

| election_name = 1964 United States Senate election in Connecticut

| country = Connecticut

| type = presidential

| ongoing = no

| previous_election = 1958 United States Senate election in Connecticut

| previous_year = 1958

| next_election = 1970 United States Senate election in Connecticut

| next_year = 1970

| election_date = November 3, 1964

| image1 = File:Thomasjdodd.jpg

| image_size = 150x150px

| nominee1 = Thomas J. Dodd

| party1 = Democratic Party (United States)

| popular_vote1 = 781,008

| percentage1 = 64.66%

| image2 = File:John D. Lodge (CT 2).png

| nominee2 = John Davis Lodge

| party2 = Republican Party (United States)

| popular_vote2 = 426,939

| percentage2 = 35.34%

| map_image = {{switcher|220px

|County results

|220px

|Municipality results}}

| map_size = 200px

| map_caption = Dodd: {{legend0|#7996e2|50–60%}} {{legend0|#6674de|60–70%}} {{legend0|#584cde|70–80%}} {{legend0|#3933e5|80–90%}}
Lodge: {{legend0|#e27f7f|50–60%}} {{legend0|#d75d5d|60–70%}}

| title = U.S. Senator

| before_election = Thomas J. Dodd

| before_party = Democratic Party (United States)

| after_election = Thomas J. Dodd

| after_party = Democratic Party (United States)

}}

{{ElectionsCT}}

The United States Senate election of 1964 in Connecticut was held on November 3, 1964. Democratic Thomas J. Dodd was re-elected and served a second term. John Davis Lodge, grandson of Henry Cabot Lodge was defeated by almost 30%.