Rideau Ward may refer one of the following wards in Ottawa, Ontario, Canada:
Rideau-Jock Ward, formerly Rideau-Goulbourn Ward Rideau-Rockcliffe Ward Rideau-Vanier Ward
It may also refer to one of two wards that are no longer used: Rideau Ward (1887-1980) which included areas such as New Edinburgh, Overbrook and Forbes Rideau Ward (2000-2006) which included the former Rideau Township
See also Rideau Township, Ontario