Rumball is a surname. Notable people with the surname include:
Bob Rumball (1929–2016), Canadian pastor and advocate Frederick Rumball (1853–1940), Canadian merchant and politician Lesley Rumball (born 1973), New Zealand netball player Lucas Rumball (born 1995), Canadian rugby union player Sylvia Rumball (born 1939), New Zealand scientific research ethicist
See also Rum ball