Robert Nicholas

Robert Nicholas may refer to:
 * Robert Nicholas (MP) (1758–1826), member of Parliament for Cricklade in England
 * Robert Carter Nicholas Sr. (1728/9–1780), Virginia politician and judge
 * Robert C. Nicholas (1787–1856), U.S. senator from Louisiana
 * Robert C. Nicholas (New York politician) (1801–1854), New York politician
 * Bob Nicholas (born 1957), American politician