Peter Lindsay Weir (born August 21, 1944) is an Australian film director. Born in Sydney, Australia, Weir attended The Scots College before studying art and law at the University of Sydney. His interest in film was sparked by his meeting with fellow students, including Phillip Noyce and the future members of the Sydney filmmaking collective Ubu Films.

Peter Weir MLA is a Northern Ireland unionist politician.

A past chairman of the Young Unionists (the UUP Youth Wing), Weir is a barrister by profession. He attended Bangor Grammar School and graduated from the Queen's University of Belfast in Law and Accountancy. He was called to the Northern Ireland Bar in 1992 and is a former editor of the Ulster Review. Weir has been a member of the Queen's University Senate since 1996 and is also leading member of the University Convocation. He He was elected to the Northern Ireland Peace Forum in 1996 for the constituency of North Down. Weir refused to support the Belfast Agreement of 1998. A leading critic of party leader David Trimble's policies, Weir was elected to the Northern Ireland Assembly in the 1998 election.

Weir was selected as his party's candidate to fight the 2001 general election in North Down, but a month before the election tensions between him and the party reached the stage where he was deselected and replaced by Sylvia Hermon. Weir was later expelled from the Ulster Unionist Party for refusing to support the re-election of David Trimble as First Minister of Northern Ireland. Following a period as an Independent Unionist, Weir joined the Democratic Unionist Party in 2002. Since then, he was re-elected from North Down as a DUP member and increased the party's vote in the constituency by three times its 1998 tally.

In the 2005 Westminster election Weir finally stood for North Down, this time for the DUP, but lost to Sylvia Hermon of the Ulster Unionist Party

He is a member of the North Down Borough Council and belongs to the Orange Order and the Royal Black Preceptory.

He serves on the Northern Ireland Policing Board.

Peter Russell Weir (born 18 January 1958, Johnstone, Scotland) is a former Scotland international footballer known for his time with club team Aberdeen F.C..

He made 238 appearances (17 as substitute) and scored 38 goals whilst with the Dons and was capped by Scotland on 6 occasions. He also played for St Mirren and Ayr United.

Weir has returned to Aberdeen again in it's Youth system set-up.

His films very often deal with people, who find themselves in surroundings, where they do not fit in (e.g. a Philadelphia Cop among the Amish or a progressive teacher on a strictly conservative school).

His films often feature a key scene involving a main character fiddling with their radio.

Famous for making well-known comedy and genre actors into credible dramatic actors such as Harrison Ford (I), Robin Williams (I) and Jim Carrey.

He was a part of the movement dubbed the "Australian New Wave" by the press. They were a group of filmmakers and performers who emerged from Down Under at about the same time in the early 1980's and found work in other parts of the world. Other members included actors Mel Gibson (I) and Judy Davis (I) and directors George Miller (II) and Gillian Armstrong.

Father of Ingrid Weir (I).

Directed 5 different actors in Oscar-nominated performances: Linda Hunt, Harrison Ford (I), Robin Williams (I), Rosie Perez and Ed Harris (I). Hunt won an Oscar for Year of Living Dangerously, The (1982).

Interviewed in "Directors Close Up: Interviews with Directors Nominated for Best Film by the Directors Guild of America", ed. by Jeremy Kagan, Scarecrow Press, 2006.

After Martin Scorsese won a Best Director Oscar for Departed, The (2006), Weir and Sidney Lumet now hold the distinction of having the most Oscar nominations (4) for any living director.