Fred or Frederick Ellis may refer to:

• Fred Ellis (boxer) (1908–1963), South African boxer
• Fred Ellis (cartoonist) (1885–1965), American cartoonist
• Fred Ellis (racing driver) (1889–1958), American racecar driver
• Fred Ellis (footballer) (1900–1970), English footballer
• Fred E. Ellis, American general
• Frederick M. Ellis (1906–1967), American athlete, coach, professor, head football coach at Tufts University (1946–1952)
• Frederick S. Ellis (1830–1880), Wisconsin politician
• Frederick Startridge Ellis (1830–1901), English bookseller and author
• Frederick Vincent Ellis (1892–1961), New Zealand artist and art teacher
• Frederick Ellis (priest) (fl. 1926–1965), Canadian Anglican priest and Dean of Nassau
• Frederick Ellis, 7th Baron Howard de Walden (1830–1899), British landowner and peer