| Official Name: | Tazehnab-e Olya |
| Native Name: | Persian: تازهناب علیا |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Hamadan |
| Subdivision Type2: | County |
| Subdivision Name2: | Nahavand |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Shaban |
| Population As Of: | 2006 |
| Population Total: | 296 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 34.1131°N 48.3156°W |
| Iso Code: | IRN |
Tazehnab-e Olya (fa|تازهناب علیا, also Romanized as Tāzehnāb-e ‘Olyā and Tāzeh Nāb-e ‘Olya; also known as Tāzeh Nāb-e Bālā, Tāznāb, Tāznāb-e Bālā, and Tāznāb-e ‘Olyā) is a village in Shaban Rural District, in the Central District of Nahavand County, Hamadan Province, Iran. At the 2006 census, its population was 296, in 79 families.