| John T. Buckbee | |
| Birth Name: | John Theodore Buckbee |
| State2: | Illinois |
| District2: | 12th |
| Term Start2: | March 4, 1927 |
| Term End2: | April 23, 1936 |
| Preceded2: | Charles E. Fuller |
| Party: | Republican |
| Birth Date: | August 1, 1871 |
| Birth Place: | near Rockford, Illinois, USA |
| Resting Place: | Greenwood Cemetery in Rockford, Illinois |
| Death Place: | Rockford, Illinois, USA |
| Occupation: | President, family-owned seed business |
John Theodore Buckbee (August 1, 1871 – April 23, 1936) was an American farmer, businessman, and politician who served five terms as a U.S. Representative from Illinois from 1927 until his death in 1936.
Born on a farm near Rockford, Illinois, Buckbee attended the public schools of Rockford.He studied agriculture and horticulture in Austria, France, Holland, Denmark, Sweden, Belgium, Italy, and Great Britain.
He served as president of H.W. Buckbee Seeds, which was established in 1871 by his brother, Hiram W. Buckbee, in Rockford, Illinois.
Buckbee was elected as a Republican to the Seventieth and to the four succeeding Congresses.He served from March 4, 1927, until his death in Rockford, Illinois, April 23, 1936.
He was not a candidate for renomination in 1936.
He was interred in Greenwood Cemetery in Rockford, Illinois.