Thomas Deadrick

{{Short description|American politician}}

{{Use mdy dates|date=April 2025}}

{{Infobox officeholder

| name=Thomas J. Deadrick

| office1 = Speaker of the South Dakota House of Representatives

| term_start1 = January 2007

| term_end1 = January 2009

| predecessor1 = Matthew J.W. Michels

| successor1 = Tim Rave

|birth_date={{birth date|1952|08|26|mf=y}}

|birth_place=

|death_date=

|death_place=

|party=Republican

}}

Thomas J. Deadrick is a former Republican member of the South Dakota House of Representatives, representing the 21st District from 2003 and 2011. He also served as the Speaker of the House. His district included Brule, Buffalo, Charles Mix, Jones and Lyman counties.