Novaci (Serbian Cyrillic: Новаци; pronounced [nɔʋǎːtsi]) is a village in the municipality of Ub, Kolubara District, Western Serbia.

The most important site in the village is the Church of the Nativity of The Most Holy Theotokos, built in 1857.

The first written record of name of the village Novaci was in 1827 in Vuk Kardzic's "Danica".

The village is situated on both sides of river Tamnava.

This Kolubara District, Serbia location article is a stub.