Nong Yai (Thai: หนองใหญ่, pronounced [nɔ̌ːŋ jàj]) is a district (amphoe) in the province Chonburi, Thailand.

The minor district (king amphoe) Nong Yai was created on 1 December 1975.

[2] Neighboring districts are (from the south clockwise) Wang Chan and Pluak Daeng of Rayong province, Si Racha, Ban Bueng and Bo Thong of Chonburi Province.

The district is divided into five sub-districts (tambons), which are further subdivided into 24 villages (mubans).

This Chonburi Province location article is a stub.