Walter Gilbert (born 1932) is an American scientist and Nobel laureate.

Walter Gilbert may also refer to:

Walter Gilbert (American football) (1915–1979), American football player Walter Gilbert (cricketer) (1853–1924), English cricketer Walter Gilbert (pilot) (1899–1986), Canadian aviator Walter Gilbert (sculptor) (1871–1946), English sculptor Wally Gilbert (Walter John Gilbert, 1900–1958), American athlete in baseball, football and basketball Sir Walter Gilbert, 1st Baronet (1785–1853), British East India Company Army officer Walter fitz Gilbert of Cadzow (died c. 1346), Scottish nobleman

See also Walter G. Alexander (Walter Gilbert Alexander, 1880–1953), American physician and politician Walter Dinsdale (Walter Gilbert Dinsdale, 1916–1982), Canadian politician