Surname Heochaidh (Heochaidh 
) , around the globe, is a very rare family name. The surname Heochaidh is habitual in Northern Europe, particularly Ireland, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Heochaidh | Ireland |
|
cathal séamas ó heochaidh Irish politician and head of government (1925–2006), IE (b. 1925) |
|
|
seán ó heochaidh Irish politician, IE (b. 1961) |
|
| seán ó heochaidh Irish folklorist (1913-2002), IE (b. 1913) |
|