Wecker is a surname. Notable people with the surname include:
Andreas Wecker (born 1970), German Olympic gymnast David Wecker, American radio host and newspaper columnist Georg Caspar Wecker (c. 1632–1695), German Baroque organist and composer Helene Wecker (born 1975), American writer, Mythopoeic Award-winner for historical fantasy Johannes Jacob Wecker (1528–1586), Swiss physician Kendra Wecker (born 1982), American basketball player Konstantin Wecker (born 1947), German singer and songwriter Louis de Wecker (1832–1906), French ophthalmologist William Booth Wecker (1892–1969), American entertainer, showman, and army veteran