Arvo Junti (born 17 April 1953, Türi) is an Estonian lawyer and politician.
Junti graduated from Vändra Secondary School in 1971 and from the Law Faculty of the University of Tartu in 1976.
He worked, from 1989 to 1990, in the National Planning Committee of the Estonian SSR Council of Ministers and the Ministry of Economic Affairs and Communications.
He was also an ambassador of the Congress of Estonia and a member of the Estonian Committee.
He is the head of law firm Arvo Junti, a sworn advocate since 1994.