| Domicela Kopaczewska | |
| Nationality: | Polish |
| Office: | Member of the Sejm |
| Term Start: | 25 September 2005 |
| Constituency: | 5 – Toruń |
| Party: | Civic Platform |
| Birth Date: | 1958 |
Domicela Katarzyna Kopaczewska (born 4 October 1958 in Aleksandrów Kujawski) is a Polish politician. She was elected to the Sejm on 25 September 2005, getting 4,870 votes in 5 Toruń district as a candidate from the Civic Platform list.