Garga Haman Adji (an haife shi 27 Janairu 1944 ) ɗan siyasan Kamaru ne. Yayi aiki a gwamnatin Kamaru a matsayin Ministan Ma'aikatan farar hula daga 1990 zuwa 1992 kuma a yanzu shi ne Shugaban Alliance for Democracy and Development (ADD), karamar jam'iyyar siyasa. Hakanan shi kansila ne na birni a cikin Arrondissement na Farko na Maroua . Musulmi ne kuma memba ne na ƙabilar Fula, Garga an haife shi ne a Maroua. Ya fara aiki a cikin gwamnatin jihar tun yana saurayi, ya zama mai taimaka mataimakan mulki a Yagoua Prefecture a ranar 26 ga watan Nuwamban shekara ta1961 sannan kuma shugaban sakatariyar karamar hukumar Kar-Haye a watan Yulin shekara ta 1962; mukamin na karshen ya bashi damar samun kwarewa a shirya kasafin kudi. Ya kuma shiga jam’iyya mai mulki a 1962, kuma ya yi karatu a Makarantar Gudanarwa ta Kasa ta Kamaru da Magistracy, a Cibiyar Gudanarwa ta Duniya da ke Paris, da kuma Jami’ar Tarayya ta Yaounde a lokacin 1960s. A farkon aikinsa, Garga ya rike manyan mukamai a Kamaru, yana aiki a matsayin Babban Daraktan Tsaron Kasa, Mataimakin Darakta a Ma’aikatar Kudi, Babban Sakatare na Ma’aikatan Farar Hula, da Daraktan Kudi na Kamfanin Wutar Lantarki na Kamaru.