Arturo Longton Guerrero (25 June 1948 – 3 July 2015) was a Chilean lawyer and politician.

In 1983, he was elected mayor of Quilpué until 1987, when he assumed the mayorship of Valparaíso.

In 2010, he was appointed by President Sebastián Piñera as the first governor of Marga Marga Province, a position he held until 16 November 2012.

[1] On 3 July 2015, Longton was found dead in his apartment in Quilpué, Chile, at the age of 67.

He is survived by his wife Amelia Herrera, who is also a politician; sons Arturo and Andrés Longton; and daughter Amelia Longton.