Pétillon is a Brussels Metro station on the eastern branch of line 5. It is located in the municipality of Etterbeek, in the eastern part of Brussels, Belgium. The metro station opened on 20 September 1976 and is named after Major Pétillon, a Belgian colonial pioneer who died in Etterbeek in 1909. The station underwent an eighteen-month, €6.3 million renovation ending in April 2008. Then, following the reorganisation of the Brussels Metro on 4 April 2009, it is served by the extended east–west line 5. The nearby tram station that bears the same name is visited by tram lines 7 and 25.