John Twomey

John Twomey may refer to:


 * John Twomey (athlete) (born 1923), American athlete
 * John Twomey (musician) (born c. 1940), American manualist
 * John Twomey (hurler) (born 1962), Irish hurler
 * John Twomey (sailor) (born 1955), Irish athlete and sailor
 * John Twomey (trade unionist) (born 1866), Welsh trade union leader