Underground electrical transformers are frequently submitted to a very aggressive environment because of the stagnated water of underground chambers which is heated and contaminated. In Brazil, carbon steel structures of underground transformers are usually protected with coal tar epoxy paints in order to ensure their reliability. However, the use of this type of paints is being strongly restricted because coal tar contains complex mixtures of polycyclic aromatic hydrocarbons which contain many toxic and potentially carcinogenic substances. Aiming at replacing coal tar based paints by an environmentally friendly one; several paints were selected in the local market and submitted to performance tests in order to compare them with coal tar based paint. In addition, anodes were evaluated to study the application of galvanic cathodic protection in areas of metal exposure due to coating flaws. This paper presents and discusses the obtained results. Os transformadores elétricos subterrâneos estão frequentemente expostos à corrosão intensa decorrente da estagnação de água aquecida e contaminada das câmaras subterrâneas. No Brasil, as estruturas de aço-carbono do transformador subterrâneo são usualmente protegidas com pintura de epóxi alcatrão de hulha que contém substâncias tóxicas e potencialmente cancerígenas. Com o objetivo de substituir as tintas à base de alcatrão de hulha por tintas ecologicamente corretas, tintas disponíveis no mercado nacional foram selecionadas e submetidas a ensaios de desempenho para a sua comparação com a tinta de alcatrão de hulha. Além disso, anodos foram avaliados para o estudo da aplicação de proteção catódica galvânica do metal exposto em áreas de falhas do revestimento. Este artigo apresenta e discute os resultados obtidos. ARAUJO, A.; PANOSSIAN, Z; ALMEIDA, N.L; MARTINS, M.C.; JUNIOR, S.D.A. Organic coatings for corrosion protection of transformers in underground chambers. In: NACE INTERNATIONAL CONFERENCE & EXPO, 2012, Salt Lake City, Proceedings... Salt Lake City: NACE 2012.