Rebecca Moynihan (born 11 December 1981) is an Irish Labour Party politician who served as a Senator for the Administrative Panel from April 2020 to January 2025.

While a councillor, Moynihan had a motion passed to ensure free period products were available in all Dublin City Council buildings,[6] and secured 100,000 euros in funding for this project.

[8] Moynihan contested the 2020 general election in the Dublin South-Central constituency,[9] but was unsuccessful, getting 2,095 (4.8%) first preference votes.

As the party's spokesperson on housing, Moynihan has opposed co-living proposals put forward by the government, stating that it is "not suitable" and "even more unsuitable in the context of the Covid crisis".

[11] In January 2021, Moynihan tabled the Period Products (Free Provisions) Bill, which would provide for free tampons, sanitary pads and reusable products in all school bathrooms, educational institutions and public buildings in Ireland.