William R. Sears (May 25, 1928 – June 26, 1998) was an American politician from New York.
He was born on May 25, 1928, in Utica, Oneida County, New York, the son of Edward J. Sears (1904–1964) and Gladys (née Waldron) Sears (1903–1977).
He attended Our Lady of Lourdes School, St. Francis de Sales High School, and Utica College.
In March 1996, he announced that he would not seek re-election later that year.
He died on June 26, 1998, in a motor vehicle accident on Bear Creek Road in Woodgate, near the railroad tracks, and was buried at the White Lake Cemetery in Woodgate.