Ignaców may refer to the following places in Poland:
- In Łódź Voivodeship (central Poland)
- Ignaców, Bełchatów County
- Ignaców, Brzeziny County
- Ignaców, Pajęczno County
- Ignaców, Piotrków County
- Ignaców, Radomsko County
- In Masovian Voivodeship (east-central Poland)
- In Lublin Voivodeship (eastern Poland)
- Ignaców, Zwoleń County in Masovian Voivodeship (east-central Poland)
- Ignaców, Greater Poland Voivodeship (west-central Poland)