| Municipality of Novaci | |
| Native Name: | Општина Новаци |
| Native Name Lang: | mk |
| Settlement Type: | Municipality |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Pelagonia |
| Seat Type: | Municipal seat |
| Seat: | Novaci |
| Leader Title: | Mayor |
| Leader Name: | Stevče Stevanovski (VMRO-DPMNE) |
| Area Total Km2: | 753.53 |
| Population Total: | 2,648 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Blank Name: | Car plates |
| Blank Info: | BT |
Novaci (mk|{{Audio|Mk-Novaci.ogg|Новаци) is a municipality in the southern part of North Macedonia. Novaci is also the name of the village where the municipal seat is found. Novaci Municipality is a part of the Pelagonia Statistical Region. Located in the municipality is North Macedonia's key energy company REK Bitola.
In the 2003 territorial division of North Macedonia, the rural municipalities of Bač and Staravina were merged with Novaci Municipality.
According to the 2021 North Macedonia census, this municipality has 2,648 inhabitants.[1] Ethnic groups in the municipality include:
| 2002 | 2021 | |||
| Number | % | Number | % | |
| TOTAL | 3,549 | 100 | 2,648 | 100 |
| Macedonians | 3,490 | 98.34 | 2,427 | 91.65 |
| Albanians | 21 | 0.59 | 46 | 1.74 |
| Serbs | 7 | 0.2 | 4 | 0.15 |
| Turks | 27 | 0.76 | 1 | 0.04 |
| Vlachs | 1 | 0.03 | ||
| Other / Undeclared / Unknown | 3 | 0.08 | 16 | 0.6 |
| Persons for whom data are taken from administrative sources | 154 | 5.82 | ||
Albania, Pustec Municipality
Bulgaria, Borovan
Croatia, Dugi Rat
Slovenia, Municipality of Hrpelje-Kozina
Hungary, Farmos
Greece, Koufalia