Leonard Wilcox (1799–1850) was a U.S. Senator from New Hampshire from 1842 to 1843. Senator Wilcox may also refer to:
Benjamin M. Wilcox (1854–1912), New York State Senate Carlos Wilcox (politician) (fl. 1860s), Louisiana State Senate Craig Wilcox (born c. 1967), Illinois State Senate Edward A. Wilcox (1830–1910), Illinois State Senate Fred M. Wilcox (South Dakota politician) (1858–1938), South Dakota State Senate Fred M. Wilcox (Wisconsin politician) (1870–1944), Wisconsin State Senate Roy C. Wilcox (1891–1975), Connecticut State Senate Roy P. Wilcox (1873–1946), Wisconsin State Senate Sujata Gadkar-Wilcox (born 1979), Connecticut State Senate
See also Kathleen Wilcoxson (born 1948), Oklahoma State Senate