Surname Henegan (Henegan 
) , throughout the world, is a rare last name. The cognomen Henegan is habitual in South Africa, where it is a rare surname, Ireland, and the United Kingdom. In absolute terms, it most frequently occurs in the United States, South Africa, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Henegan | United Kingdom, United States, South Africa, Ireland, Australia |
| michael henegan Irish police officer, IE (b. 1929) |
|
|
| pat henegan American politician, US (b. 1948) |
|
|
| darrell henegan Canadian taekwondoin and kickboxer, CA (b. 1961) |
|
|
| jermaine henegan college basketball player (1991–1991) Augusta State |
|
|
| patricia henegan researcher (ORCID 0000-0002-5544-2629) |
|
|
| catherina henegan NL |
|