Keiron is a given name. It can be a variant form of Ciarán. Notable people with the name include:
Keiron Bigby (born 1966), former American football wide receiver Keiron Cunningham (born 1976), Welsh professional rugby league coach and former player Keiron Jenkins (born 1987), Welsh rugby union player Keiron O'Loughlin, English former professional rugby league footballer Keiron Reardon (1900–1978), American politician in the state of Washington Keiron Self (born 1971), Welsh actor and writer, played Roger Bailey Jr. in the BBC sitcom My Family
See also Keir Keirin Keiron: The First Voyager, 1995 Australian film Kheiron