Finnbogi Pétursson (b. 19 Nov 1959) is an Icelandic visual/installation artist and experimental electronic musician from Reykjavík. Pétursson was a member of Bruni BB, a radical Icelandic performance art/noise group and participated in one of their exhibitions in 1981 at the Living Art Museum in Reykjavik, Iceland. Finnbogi is a long-time member of Freq_Out and participated in most events and installations between 2004 and 2016.