1898 United States House of Representatives election in Wyoming

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

{{Infobox election

| election_name = 1898 United States House of Representatives election in Wyoming

| country = Wyoming

| type = presidential

| ongoing = No

| previous_election = 1896 United States House of Representatives election in Wyoming

| previous_year = 1896

| next_election = 1900 United States House of Representatives election in Wyoming

| next_year = 1900

| election_date = {{Start date|1898|11|08}}

| image1 = 150x150px

| nominee1 = Frank Wheeler Mondell

| party1 = Republican Party (United States)

| popular_vote1 = 10,762

| percentage1 = 54.71%

| image2 =

| nominee2 = Constantine P. Arnold

| party2 = Democratic Party (United States)

| popular_vote2 = 8,466

| percentage2 = 43.04%

| map_image = 1898 Wyoming At-Large election results.svg

| map_size = 250px

| map_caption = County results
Mondell: {{legend0|#FFB2B2|40–50%}} {{legend0|#E27F7F|50–60%}} {{legend0|#D75D5D|60–70%}} {{legend0|#D72F30|70–80%}}
Arnold: {{legend0|#7996E2|50–60%}}

| title = U.S. Representative

| before_election = John Eugene Osborne

| before_party = Democratic Party (United States)

| after_election = Frank Wheeler Mondell

| after_party = Republican Party (United States)

}}

{{ElectionsWY}}

The Wyoming United States House election for 1898 was held on November 8, 1898. Former Republican representative Frank Wheeler Mondell defeated Democratic Constantine P. Arnold with 54.71% of the vote, making Mondell the first former representative to regain his seat in Wyoming and the first to hold the office for two terms.