| Joseph S. Ammerman | |
| State: | Pennsylvania |
| District: | 23rd |
| Term Start: | January 3, 1977 |
| Term End: | January 3, 1979 |
| Predecessor: | Albert Johnson |
| Successor: | Bill Clinger |
| State Senate2: | Pennsylvania |
| District2: | 34th |
| Term Start2: | January 5, 1971 |
| Term End2: | January 4, 1977[1] |
| Predecessor2: | Daniel Bailey |
| Successor2: | Doyle Corman |
| Office3: | United States Attorney for the Western District of Pennsylvania |
| Term Start3: | 1961 |
| Term End3: | 1963 |
| Appointer3: | John F. Kennedy |
| Predecessor3: | Hubert Irving Teitelbaum |
| Successor3: | Gustave Diamond |
| Party: | Democratic |
| Birth Name: | Joseph Scofield Ammerman |
| Birth Date: | 14 July 1924 |
| Birth Place: | Curwensville, Pennsylvania, U.S. |
| Death Place: | Curwensville, Pennsylvania, U.S. |
| Education: | Dickinson College Penn State Dickinson Law (JD) |
Joseph Scofield Ammerman (July 14, 1924 – October 14, 1993) was an American lawyer and politician who served as a Democratic member of the U.S. House of Representatives from Pennsylvania for one term from 1977 to 1979.
Joseph Ammerman was born in Curwensville, Pennsylvania.[2] He served in the United States Army from 1943 to 1946. He graduated from Dickinson College in Carlisle, Pennsylvania in 1948 and received his J.D. from the Dickinson School of Law in 1950.
He was a delegate to Democratic National Convention in 1952. In 1953, he was elected to the position of district attorney of Clearfield County. He was the United States attorney for the Western District of Pennsylvania from 1961 to 1963, and a member of the Pennsylvania State Senate from 1970 to 1977.
In 1976, he was elected as a Democrat to the 95th Congress, but was an unsuccessful candidate for reelection in 1978.
After his term in the House, he served as judge, court of common pleas in Clearfield County, Pennsylvania from 1986 to 1993.
Ammerman died on October 14, 1993. In 2009, a portrait of Ammerman was hung in the portrait gallery of the Clearfield County Courthouse.