Calkins is a surname. Notable people with the surname include:
Blaine Calkins (born 1968), Canadian politician Blean Calkins (1921–2003), sports radio broadcaster Buzz Calkins (born 1971), American racing car driver Dick Calkins (1894–1962), comic strip artist Earnest Elmo Calkins (1868–1964), American advertising executive Frank C. Calkins (1878–1974), American geologist Gary Nathan Calkins (1869–1943), American zoologist George H. Calkins (1830–1896), American physician and politician Helen Calkins (1893–1970), American mathematician Homer D. Calkins (1911–1996), American environmentalist Hugh Calkins (1924–2014), American academic administrator Irving Calkins (1875–1958), American sport shooter Mary Whiton Calkins (1863–1930), American philosopher and psychologist Michelle Calkins, Canadian synchronized swimmer and coach William H. Calkins (1842–1894), American politician from Indiana
See also Calkin (surname) Calkins, Montana