The Hart Baronetcy, of Kilmoriarty in the County of Armagh, was a title in the Baronetage of the United Kingdom. It was created on 17 July 1893 for Sir Robert Hart, Inspector-General of China's Imperial Maritime Customs Service. The title became extinct on the death of the third Baronet in 1970.
| Escutcheon: | Gules a bend between three fleurs-de-lis in chief and a four-leaved shamrock slipped in base all Or. |
| Crest: | On a mount Vert a hart trippant Proper holding in the mouth a four-leaved shamrock slipped Or. |
| Supporters: | Dexter a dragon (representing a Chinese dragon) Argent charged on the shoulder with a torteau, sinister a peacock close Proper. |
| Motto: | Audacter Tolle[1] |