Thomas Hart Clay

{{Short description|American diplomat (1803–1871)}}

{{Use American English|date=April 2024}}

{{Use mdy dates|date=April 2024}}

{{Infobox ambassador

| name = Thomas Hart Clay

| image = Thomas H. Clay, portrait by Brady, NPG.81.M557.jpg

| caption = Portrait by Mathew Brady, {{circa|1865}}

| minister_from = United States

| country = Honduras

| president = {{ubl|Abraham Lincoln|Andrew Johnson}}

| term_start = April 5, 1864

| term_end = August 10, 1866

| predecessor = James R. Partridge

| successor = Richard H. Rousseau

| minister_from2= United States

| country2 = Nicaragua

| president2 = Abraham Lincoln

| term_start2 = January 15, 1863

| term_end2 = May 31, 1863

| predecessor2 = Andrew B. Dickinson

| successor2 = Andrew B. Dickinson

| office3 = Member of the Kentucky House of Representatives from Fayette County

| term_start3 = 1859

| term_end3 = 1861

| preceded3 =

| succeeded3 =

| birth_date = {{birth date|1803|09|22}}

| birth_place = Lexington, Kentucky, U.S.

| death_date = {{death date and age|1871|03|18|1803|09|22}}

| death_place = Lexington, Kentucky, U.S.

| resting_place = Lexington Cemetery

| party = {{ubl|Whig (until 1856)|Know Nothing (1856–1858)|Opposition (1858–1860)|Constitutional Union (1860)}}

| spouse = {{marriage|Mary Russell Mentelle|October 5, 1837}}

| children =

| father = Henry Clay

| education = Transylvania University

| occupation = {{hlist|Farmer|lawyer|diplomat|politician}}

}}

Thomas Hart Clay (September 22, 1803 – March 18, 1871) was the U.S. ambassador to Honduras and Nicaragua.{{cite web|title=Thomas Hart Clay (1803–1871)|url=https://history.state.gov/departmenthistory/people/clay-thomas-hart|website=U.S. Department of State, Office of the Historian|accessdate=22 January 2016}} He was a son of Henry Clay.