Walter Foster

Walter Foster may refer to:

• Walter Foster (cricketer) (born 1915, date of death unknown), Barbadian cricketer
• Walter Foster (mathematician), English mathematician
• Walter Edward Foster (1873–1947), Canadian politician and businessman in New Brunswick
• Walter T. Foster (1891–1981), American artist and publisher of art instruction books
• Walter Foster, 1st Baron Ilkeston (1840–1913), British physician and politician
• Walter W. V. Foster, Canadian politician