Alberto Weretilneck (born 11 October 1962) is an Argentine politician currently serving as governor of Río Negro Province since 2023.

From 2019 to 2023, he was a Senator for Río Negro, and he served as intendente (mayor) of Cipolletti from 2007 to 2011.

[1] He became a supporter of Kirchnerism and was elected Vicegovernor in 2011;[2] he was also named Vice President of the Broad Front on 17 December, serving with Adriana Puiggrós.

[5] Weretilneck's administration worked closely with the opposition UCR in the Provincial Legislature, while also participating in housing plans funded by the Federal Government which allowed the construction of 2,600 homes.

[6] During his first term the Viedma Riverwalk was built, as well as the repavement of Routes 3 and 251 (which serve the province's remote southern half).