Nelson Adrián Peña Robaina (20 January 1976 – 4 April 2024) was a Uruguayan businessman and politician of the Colorado Party.

A native of the town of San Bautista, Peña was dedicated to the business of raising and distributing poultry.

In the 2004 election, he supported the candidacy for the presidency of Guillermo Stirling, and in 2008 he joined the "Batllismo Unido" faction of the Department of Canelones and "Vamos Uruguay".

[9] On 18 July 2020, his appointment as the first Minister of the Environment was confirmed, when the portfolio was separated from the Ministry of Housing and Territorial Planning.

[4][10] Peña resigned as the Minister of Environment on 30 January 2023 after it was discovered he had lied about his title in Business Administration.