Last name Hartnett (Hartnett 
, ハートネット, Хартнетт) , in the world, is quite a common cognomen. The cognomen Hartnett is habitual in Ireland, where it is quite a common surname, Malta, and Australia, where it is quite a rare surname. In absolute terms, the name is most common in the United States, Ireland, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Hartnett | United Kingdom, Australia, Ireland, United States, Canada |
|
gabby hartnett American baseball player and coach (1900-1972), US (b. 1900) |
|
| pat hartnett American baseball player, US (b. 1863) |
|
|
| patrick joseph hartnett (1876-1944) bushman (b. 1876) |
|
|
|
thomas f. hartnett American politician, US (b. 1941) |
|
| laurence hartnett Australian businessman, AU (b. 1898) |
|
|
|
p-p hartnett British writer, IE (b. 1958) |
|
| noel hartnett Irish politician, IE (b. 1909) |
|
|
| pat hartnett Australian rules footballer, AU (b. 1910) |
|
|
| robert c. hartnett (b. 1904) |
|
|
|
angela hartnett British chef, GB (b. 1968) |
|
| charles william hartnett (b. 1909) |
|
|
| william e. hartnett American lawyer and politician, US (b. 1919) |
|
|
| josie hartnett Irish hurler, IE (b. 1927) |
|
|
| jimmy hartnett Irish footballer (1927-1988), IE (b. 1927) |
|
|
|
josh hartnett American actor and producer, US (b. 1978) |
|