The1907 New South Wales state election involved 90electoral districts returning one member each. The election was conducted on the basis of a simple majority orfirst-past-the-post voting system.^[1]

In this election, 7 members did not stand for re-election,^[a] in 11 electorates the winning candidate received less than 50% of the votes,^[b] while 5 were uncontested.^[c]

There were 23 seats that elected a member from a different party, while a further 5 seats where the member retained the seat but changed from theProgressive Party to theLiberal Reform Party, continuing the demise of the Progressive Party, from a high of 42 seats at the1901 election.^[2] Four months before the election the party had negotiated a coalition agreement with the Liberal Reform Party however this was rejected by a vote of parliamentary members.^[3] The party leaderThomas Waddell (Belubula) resigned and joined the Liberal Reform Party,^[4] and was followed byJohn McFarlane (The Clarence),Brinsley Hall (The Hawkesbury),John Gillies (Maitland) andJohn Perry (b 1845) (The Richmond). Of the remaining 10 former Progressive Party members, a further 5 lost their seats. For a comprehensive list, see1907 New South Wales state election § Changing seats.

Paddy Crick,Progressive Party, had won the seat at the 1904 election, however he was expelled from the Parliament in 1906.John Withington won the seat for theLiberal Reform Party at the1907 by-election.^[19]

SItting memberJohn Perry (b 1849) had been elected as anIndependent Liberal candidate at the1904 election,^[57] and joinedLiberal Reform in 1907.

This was the third and final contest for St Leonards betweenEdward Clark andThomas Creswell. Clark, as the selectedLiberal Reform candidate defeated Cresswell at the1901 election.^[86] Creswell then defeated Clark to be selected as theLiberal Reform candidate in 1904,^[87] before comfortably beating him at theelection.^[88] Cresswell however lost Liberal preselection for the seat in 1907 to John Carter,^[89] with Clark defeating both Cresswell and Carter to regain the seat.^[85]

John Norton (Independent) had won the seat at the 1904 election, however he challengedWilliam Holman to face a by-election and was soundly defeated at theSurry Hills by-election in July 1906, finishing fourth behindAlbert Bruntnell (Liberal Reform). At the 1907 general election Bruntnell chose to contestAlexandria but the seat was retained for Liberal Reform bySir James Graham.

• Candidates of the 1907 New South Wales state election
• Members of the New South Wales Legislative Assembly, 1907–1910