| Honorific-Prefix: | Mayor |
| Samuel S. Horn | |
| Office: | Mayor of Easton, Pennsylvania |
| Term Start: | 1920 |
| Term End: | 1924 |
| Predecessor: | David W. Nevin |
| Successor: | Wesley M. Heiberger |
| Term Start1: | 1927 |
| Term End1: | 1929 |
| Predecessor1: | Wesley M. Heiberger |
| Successor1: | ???? |
| Office2: | Member of the Pennsylvania House of Representatives |
| Term Start2: | 1924 |
| Term End2: | December 31, 1927 |
| Office3: | Easton controller |
| Term Start3: | 1912 |
| Term End3: | 1919 |
| Birth Date: | 22 June 1870 |
| Birth Place: | Easton, Pennsylvania, US |
| Death Place: | Easton, Pennsylvania, US |
| Party: | Republican |
| Residence: | Easton, Pennsylvania, US |
| Spouse: | Laura Mount Horn |
Samuel S. Horn (1870-1942) was an American politician from Easton, Pennsylvania, who was elected mayor on two occasions. He was also elected to two terms in the Pennsylvania House of Representatives; however, he resigned during his second in order to return to being mayor.[1]
Horn was an Easton native born on June 22, 1870. His family has deep roots in Easton, running the "Merchant's House" hotel, which occupied one of the city's original Moravian buildings.[2] He worked for his father's general store and a local hardware company before getting involved in local politics.
A Republican, Horn was elected the controller of Easton in 1912 and served in that office until 1919. In 1919 he was elected mayor of Easton and served a four-year term from 1920 to 1924. In 1924 he was elected to the Pennsylvania House of Representatives and was re-elected to a second term in 1926. However, he resigned from the House in order to return to being mayor of Easton on December 31, 1927. His second term as mayor of Easton ended in 1929.
Horn was married to Laura Mount Horn. Horn died in Easton on March 11, 1942, at the age of 71 and is buried in the Easton Heights Cemetery.