| Country: | Bulgaria |
| Agrarian People's Union | |
| Native Name: | Земеделски народен съюз |
| Abbreviation: | ZNS |
| Leader: | Roumen Yonchev |
| Foundation: | (BZNS-NS) (ZNS) |
| Split: | Bulgarian Agrarian People's Union |
| Headquarters: | Sofia |
| Ideology: | Agrarianism Conservatism |
| Position: | Centre-right |
| National: | United Democratic Forces (1997–2001) Bulgarian People's Union (2005–2006) Bulgaria Without Censorship (2014) Stand Up.BG! We are coming! (2021) Bulgarian Rise (2022) Blue Bulgaria (2024–) |
| Colours: | Orange |
| Seats1 Title: | National Assembly |
| Seats2 Title: | European Parliament |
| Website: | zns.bg |
The Agrarian People's Union (Bulgarian: Земеделски народен съюз|Zemedelski naroden sajuz; ZNS), until 2006 known as the Bulgarian Agrarian People's Union – People's Union (Balgarski Zemedelski Naroden Sajuz – Naroden Sajuz, BZNS-NS), is a conservative agrarian party in Bulgaria.
It was founded in 1996 by a faction of the Bulgarian Agrarian People's Union led by Anastasia Dimitrova-Moser. It contested the parliamentary election in 1997 and 2001 within the center-right United Democratic Forces. In 2005 it was part of the Bulgarian People's Union, that won at the legislative elections, 25 June 2005, 5.7% of the popular vote and 13 out of 240 seats.
A considerable group around the former party leader Anastasia Dimitrova-Moser left the ZNS in 2008 and founded the United Agrarians.
The party is a former observer of the Centrist Democrat International (CDI).