Browse Entries - O
- Occupy Melbourne
- Occupy Melbourne Eviction (21 October 2011)
- Occupy Melbourne Reflects (27 June 2012)
- Occupy Movement
- O'Dowd, Bernard Patrick (1866 - 1953), Activist and Poet
- One Big Union (OBU) (1918 - )
- Onus, Eric, Activist
- Onus, Lin, Activist
- Onus, William [Bill] (1906 - 1968), Activist
- Origlass, Nick (1908 - 1996), Activist, Communist and Trade Unionist
- O'Shea, Clarence 'Clarrie' Lyell (1906 - 1988)
- Outlook
- Overland (1954 - )