J. A. Campbell

J. A. Campbell may refer to:


 * John Argentine Campbell (died 1917), Scottish rugby player
 * James Campbell (rugby union) (James Alexander Campbell, 1858–1902), Canadian-born rugby player who represented Scotland
 * John Allen Campbell (1835–1880), first Governor of the Wyoming Territory
 * James Archibald Campbell (1862–1934), founder of Campbell University
 * Jonathan A. Campbell (born 1947), American herpetologist