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P

- Painters Registration Board
- Parliament House Precinct Committee
- Parliament of Western Australia
- Parliamentary Commissioner for Administrative Investigations
- Parliamentary Inspector of the Corruption and Crime Commission
- Parliamentary Reserve Board
- Parliamentary Services Department
- Parliamentary Superannuation Board
- Parole Board of Western Australia
- Pastoral Lands Board
- Pearling Industry Advisory Committee
- Peel Development Commission
- Peel Inlet Management Council
- Peel Region Planning Committee
- Perinatal and Infant Mortality Committee
- Perth International Centre for Application of Solar Energy
- Perth Market Authority
- Perth Observatory
- Perth Theatre Trust
- Pesticides Advisory Committee
- Pharmaceutical Council of Western Australia
- Physiotherapists' Registration Board
- Piawaning-Yerecoin Land Conservation District Committee
- Pilbara Development Commission
- Pilbara TAFE
- Pingelly Land Conservation District Committee
- Pithara-Dalwallinu Land Conservation District Committee
- Planning and Infrastructure, Department for
- Planning Commission, Western Australian
- Plumbers Licensing Board of Western Australia
- Podiatrists Registration Board
- Poisons Advisory Committee
- Police Appeal Board
- Police Service, Western Australia
- Population Health Genomics, Office of
- Port Hedland Port Authority
- Port Kennedy Management Board
- Potato Marketing Corporation of WA
- Premier
- Premier and Cabinet, Department of the
- Premier's Water Foundation
- Prison Officers Appeal Tribunal
- Prisoners Review Board
- Problem Gambling Support Services Committee
- Professional Combat Sports Commission
- Professional Standards Council
- Psychologists Board of Western Australia
- Public Advocate, Office of the
- Public Education Endowment Trust (PEET)
- Public Housing Review Panel
- Public Prosecutions, Office of the Director of
- Public Sector Commission
- Public Sector Standards Commissioner, Office of the
- Public Service Appeal Board
- Public Transport Authority
- Public Trust Office
- Purse Seine Management Advisory Committee