Cognomen Keoghan (Keoghan 
) , in the entire world, is a rare last name. The family name Keoghan is habitual in Ireland, where it is quite a rare surname, New Zealand, and Australia, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Ireland, the United Kingdom, and New Zealand.
| jack keoghan Irish hurler, IE (b. 1888) |
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phil keoghan New Zealand television personality, NZ (b. 1967) |
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rebecca keoghan winner of a New Zealand Women of Influence award, NZ |
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barry keoghan Irish actor, IE (b. 1992) |
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| liam keoghan Irish hurler, IE (b. 1968) |
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| david keoghan Irish athlete and actor, IE (b. 1978) |
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| andrew keoghan New Zealand cricketer, NZ (b. 1980) |
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| philip keoghan director and filmmaker |
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