Supporters of Ebrahim Raisi post pictures of their voting ballots and the ink on their fingers on social media.
Pictures of a group of Gonabadi dervishes who have voted for President Hassan Rohani. Dervishes have in past years come under intense pressure by hard-liners.
Another essay on the Iranian election by Ali Vaez, a senior Iran analyst with the International Crisis Group (ICG).
Iranian voters in Paris.
Iranian double-Oscar winning film director Asghar Farhadi voted in Cannes. Farhadi has endorsed Hassan Rohani.
Iran's eminent poet, Houshang Ebtehaj, also voted today:
Iranian voter in Denmark:
Sohrab Ahmari, an editorial writer for the Wall Street Journal, tells Iranians to boycott the vote.
Former political prisoner Bahareh Hedayat is waiting in line to vote. Hedayat, who was released in September after spending nearly seven years in prison, has expressed support for President Rohani.
Mohammad Ali Jafari, commander of the powerful Islamic Revolutionary Guards Corps (IRGC) is seen waiting in line to vote. Some have expressed concern that the IRGC could interfere in the vote in favor of hard-line presidential candidate Ebrahim Raisi.