Pickering—Ajax—Uxbridge (provincial electoral district)

Pickering—Ajax—Uxbridge was a provincial electoral district in central Ontario, Canada that elected one Member of the Legislative Assembly of Ontario. It was created in 1999 from Durham West and Durham—York. It was abolished in 2007 with the territory rolled into Ajax—Pickering, Durham and Pickering—Scarborough East.

The riding included all of Pickering and Uxbridge plus all of Ajax north of Finch Avenue.

Members of Provincial Parliament

1. Janet Ecker, Ontario Progressive Conservative Party (1999–2003)
2. Wayne Arthurs, Ontario Liberal Party (2003–2007)

Election results

Ontario general election, 2003

Party		Candidate	Votes	%	±%
	Liberal	Wayne Arthurs	24,970	45.76	+11.48
	Progressive Conservative	Janet Ecker	23,960	43.91	-14.28
	New Democratic	Vern Edwards	3,690	6.76	+1.05
	Green	Adam Duncan	1,946	3.57	+2.14

1999 Ontario general election
Party	Candidate	Votes	%
	Progressive Conservative	Janet Ecker	28,661	58.19
	Liberal	Dave Ryan	16,881	34.28
	New Democratic	Jim Wiseman	2,814	5.71
	Green	Chris Pennington	703	1.43
	Natural Law	Bob Riaz	191	0.39