Ohnrii Puahnkare, (French: Henri Poincaré, pronongxieshan: ˈʒyl ɑ̃ˈʁi pwɛ̃kaˈʁe, 29 Iepril 1854 – 17 Julai 1912) wehna French matimatishan ahn tiyoretikal fizisis, ahn wahn filasafa a sayans. Dem kaal im palimat, ahn ina matimatix di Laas Yuunivorsalis, kaa im wehn brait ina aal a di fiil a Mats we egzis a di taim. Im mek nof kanchribyuushan tu pior ahn aplai mats, matimatikal fizix, ahn silestial mekianix, az matimatishan ahn fizisis. Di Puahnkare (Poincaré) gruup we yuuz ina fizix niem afta im.