Walter S. Felag, Jr. is an American politician and a Democratic member of the Rhode Island Senate representing District 10 since January 2003. Felag served consecutively from January 1999 until January 2003 in the District 46 seat.

The Rhode Island Senate is the upper house of the Rhode Island General Assembly, the state legislature of the U.S. state of Rhode Island, the lower house being the Rhode Island House of Representatives. It is composed of 38 Senators, each of whom is elected to a two-year term. Rhode Island is one of the 14 states where its upper house serves at a two-year cycle, rather than the normal four-year term as in most states. There is no limit to the number of terms that a Senator may serve. The Rhode Island Senate meets at the Rhode Island State Capitol in Providence.