The following is a list of mayors of the city of Rio Branco, in Acre state, Brazil.
- Antônio de Sousa Braga [pt], 1900–1908 [citation needed]
- Protógenes Guimarães [pt], 1908–1912 [citation needed]
- Adrião Ribeiro [pt], 1912–1916 [citation needed]
- João de Deus Barreto, 1917–1920
- Laudo de Camargo [pt], 1920–1925
- Plínio Barreto [pt], 1925–1929
- Francisco José da Silva Jr [pt], 1929
- Raul Soares de Moura [pt], 1929–1936
- Landry Salles [pt], 1936–1945
- Nelson de Mello [pt], 1945–1950
- Adalberto Sena [pt], 1950–1953
- José Augusto de Araújo [pt], 1953–1957
- Geraldo Mesquita [pt], 1957–1961
- Nabor Teles Jr [pt], 1961–1963
- Aníbal Miranda Ferreira da Silva, 1963–1964
- Raimundo Hermínio de Melo, 1964–1966, 1966–1968
- Wildy Viana [pt], 1966
- Adauto Brito da Frota, 1969–1971, 1975–1977
- Durval Wanderley Dantas, 1971–1975
- Fernando Inácio dos Santos, 1977–1983
- Flaviano Melo, 1983–1985, 2001–2002
- Adalberto Aragão, 1986–1988
- Jorge Kalume, 1989–1992
- Jorge Viana, 1993–1996
- Mauri Sérgio [pt], 1997–2000
- Isnard Leite, 2002–2004
- Raimundo Angelim [pt], 2005–2012
- Marcus Alexandre [pt], 2013–2018[1]
- Socorro Neri [pt], since 2018[2]