Sudduth is a surname. Notable people with the surname include:

• Andrew Sudduth (1961–2006), American rower
• Jill Sudduth (born 1971), American synchronised swimmer
• Jimmy Lee Sudduth (1910–2007), American outsider artist and blues musician
• Mikky Ekko (born 1984), stage name of American musician John Stephen Sudduth
• Kohl Sudduth (born 1974), American actor
• Margaret Ashmore Sudduth (1859–1957), American educator, editor, and temperance advocate
• Skipp Sudduth (born 1956), American actor
• Solon B. Sudduth (1908–1963), American football and basketball coach
• Willa Mae Sudduth, co-founder of the Coalition of Labor Union Women

• Sudduth Coliseum, a multi-purpose arena in Lake Charles, Louisiana, US