Fiyanggū is a Manchu gender-neutral but most commonly used as a masculine given name meaning "the youngest child". It may refer to:
Fiyanggū (Donggo),Qing's grand general of early Kangxi era and younger brother of Consort Donggo Fiyanggū (Imperial clansman), Prince Dodo's son, the Imperial duke, but later deprived Fiyanggū (Irgen Gioro), Minister of Imperial Guard and Second Class Baron Fiyanggū (Ula Nara), Empress Xiaojingxian's father Fiyanggū, Prince Jian, Šurhaci's son, posthumously titled Prince Jian