Conservative Saeed Jalili and reformist Massoud Pezeshkian are the two frontrunners.
Most Recent Articles
The Papers: Water firms 'facing lawsuits' and 'prisons near capacity'
A Supreme Court ruling on sewage and the crisis of overcrowding in the UK's prisons lead the papers.
What will the election mean for North Sea oil?
Political parties are offering substantially different policies for the future of Scotland's oil and gas.
Scotland result 'on a knife-edge' on election eve
Scottish party leaders are making their final pitches to voters ahead of Thursday's UK-wide ballot.
Girl, 11, 'needed dialysis after eating Asda sandwich'
Solicitors say they have contacted Asda after the girl faced three weeks of hospital treatment.
Wales' key general election battlegrounds to watch
Could Wales lose four of its previous Welsh secretaries in one night?
Family's lost cat found after five years
Lauren Mundy describes getting the call that Joey was alive and well as "surreal".
Five reasons to be positive about England
BBC Sport takes a look at five reasons to be positive about England's Euro 2024 chances after they reached the quarter-finals.
Orphaned otter cubs to be re-released into wild
The cubs, one male and one female, were found alone at five weeks old near Castle Howard, York.
Syrians attack Turkish troops after anti-migrant riots
Footage on social media shows people firing at Turkish military vehicles and throwing stones at a base.
Ex-officials say Gaza policy has put US at risk
A joint statement by 12 former officials says US policy on Gaza has "put a target on America’s back".
A history of BBC election night in two minutes
As voters get ready for their date with the polls, we look at how technology has advanced our coverage over the years.
Bad Sisters star Duff to return to London stage
Actress Anne-Marie Duff, who has also appeared in Sex Education, will perform at the Young Vic.
Fears for Australian child missing after croc attack
The 12-year-old was last seen swimming in a remote creek in the Northern Territory.
'I am not a church boy': RFK Jr responds to sex assault allegation
A magazine article claimed the candidate sexually assaulted a babysitter and joked about eating dog meat in Korea.
What the main parties are saying about disability
With 16 million disabled people in the UK, what are the main political parties offering?
'Almost whole island homeless' in Hurricane Beryl's wake
Union Island, which lies off St Vincent and the Grenadines, has been devastated by the powerful hurricane.
A Bugatti car, a first lady and the fake stories aimed at Americans
A former US police officer runs an AI-powered network of misleading news sites turning its sights towards November.
Chris Mason: We stand on the threshold of a landmark election
The Tories are braced for defeat, as Labour prepares for victory but polling day could still bring surprises.
Biden blames jet lag and travel for poor debate performance
The president said his shaky debate performance came after he flew "around the world a couple of times".
Hungary's Viktor Orban urges ceasefire on Kyiv visit
A critic of Western support for Ukraine, he is seen as the European leader closest to Russia's Vladimir Putin.