Sheares is a surname. Notable people with the surname include:
Benjamin Sheares (1907–1981), president of Singapore from 1971 to 1981 Benjamin Sheares Bridge, the longest bridge in Singapore Constance Sheares (born 1941), Singaporean arts administrator, curator, and writer Joseph Sheares (born 1943), Singaporean surgeon Yeo Seh Geok Sheares (1917–2012), First Lady of Singapore from 1971 to 1981 Sheares brothers, Henry (1753–98) and John (1766–1798), Irish lawyers and republicans