Past Mayors of Rhondda Cynon Taf County Borough Council are:
- Councillor Susan Morgans (2020 - 2021)
- Councillor Linda De Vet (2019 - 2020)
- Councillor Steve Powderhill (2018 - 2019)
- Councillor Margaret Tegg (2017 - 2018)
- Councillor Rhys Lewis (2016 - 2017)
- Councillor Barry Stephens (2015 - 2016)
- Councillor John Watts (2014 - 2015)
- Councillor Ann Crimmings (2013 - 2014)
- Councillor Doug H Williams (2012 - 2013)
- Councillor Sylvia J Jones (2011 - 2012)
- Councillor Simon Lloyd (2010 - 2011)
- Councillor Robert Smith (2009 - 2010)
- Councillor Margaret Davies (2008-2009)
- Councillor Jane Ward (2007 – 2008)
- Councillor J Cass (2006 – 2007)
- Councillor E Jenkins (2005 – 2006)
- Councillor A L Davies MBE (2004 – 2005)
- Councillor D E B Arnold (2003 – 2004)
- Councillor I Wilkins (2002 – 2003)
- Councillor L Jones (2001 – 2002)
- Councillor R Moses (Served as Chairwoman, not Mayor) (2000 – 2001)
- Councillor G Beard (Served as Chairman, not Mayor) (1999 – 2000)
- Councillor J David (1998 – 1999)
- Councillor K Rees (1997 – 1998)
- Councillor R Roberts (1996 – 1997)