Ogonna Nneka Nnamani (onye amuru na abali iri abuo na itolu, n'onwa Julaị 1983) bu onye Naigeria amuru nà obodo Amerika na akụ okwe voli bolu bụrụ kwa onye otu olimpik nkè  obodo Amerika. Etunyere ya ugo ịkọ Honda- Broderick n'afor 2004 mgbe oghoro ọkà ibe ndị egwuregwu nke ụmụ nwanyị n'egwuregwu NCAA, ewerekwara ya dika otu n'ime ndị kachasị akụ okwe site na mgbe gara aga rụọ taa na mahadum nke Stanford bu ebe ọnwetere ákàrà egwuregwu ọnụ ọgụgụ puku abụọ, narị anọ na iri ise nke kpatara eji tinye ya n'ama ncheta ndị Stanford n'afor 2015.    Nnamani gwuru egwuregwu olympic abụọ n'afọ 2004 na 2008. N'ime 2004, ọ ghọrọ nwanyị nke abụọ sitere na mgbe gara-aga ruo taa banyere n'otu egwuregwu olympic ndị U.S mgbe ọ ka nọ collage, ma bụrụ kwa otu onye n'ime ndi òtù U.S nke abụọ ruru na njedebe egwuregwu olympic ma ritekwa  STANFORD Magazine: July/August 2008 > Features > Stanford Olympians > Ogonna Nnamani. Stanford Alumni Magazine (2008-08-16). Archived from the original on 2012-05-10. Retrieved on 2012-06-05.