| Beata Mazurek | |
| Nationality: | Polish |
| Office1: | Member of the European Parliament |
| Term Start1: | 4 June 2019 |
| Office2: | Deputy Marshal of the Sejm |
| Term Start2: | 9 January 2018 |
| Term End2: | 4 June 2019 |
| Party: | Law and Justice |
| Birth Date: | 19 October 1967 |
| Birth Place: | Ostrów Mazowiecka, Poland |
| Alma Mater: | John Paul II Catholic University of Lublin Pułtusk Academy of Humanities |
| Children: | 2 (sons) |
| Signature: | Beata Mazurek signature.svg |
Beata Mazurek, née Cieluch (born 19 October 1967 in Ostrów Mazowiecka) is a Polish politician. She was elected to the Sejm on 25 September 2005, getting 7,012 votes in 7 Chełm district as a candidate from the Law and Justice list. After Law and Justice won the parliamentary election in 2015 she became a spokeswoman in December 2015.