| Joseph Santiago | |
| Office: | Member of the Philippine House of Representatives from Catanduanes' Lone District |
| Term Start: | June 30, 2001 |
| Term End: | June 30, 2010 |
| Predecessor: | Leandro Verceles, Jr. |
| Successor: | Cesar Sarmiento |
| Office2: | Commissioner of the National Telecommunications Commission |
| Appointer2: | Joseph Estrada Gloria Macapagal Arroyo |
| Term Start2: | December 16, 1998 |
| Term End2: | February 8, 2001 |
| Predecessor2: | Ponciano Cruz, Jr. |
| Successor2: | Agustin Bengzon |
| Birth Date: | 19 December 1964 |
| Alma Mater: | San Beda College of Law |
| Party: | Nationalist People's Coalition |
Joseph A. Santiago (born December 19, 1964) is a Filipino politician. A member of the Nationalist People's Coalition, he has been elected to three terms as a Member of the House of Representatives of the Philippines, representing the Lone District of Catanduanes. First elected in 2001, he was re-elected in 2004 and 2007.
A graduate of the San Beda College of Law, Santiago was formerly an executive with the Pilipino Telephone Corporation. In 1998, he was appointed by President Joseph Estrada as Commissioner of the National Telecommunications Commission, and he served in that capacity until his election to Congress. From 1997 to 1998, Santiago served as team manager of the Mobiline Cellulars professional basketball team in the Philippine Basketball Association.