Dianella was an electoral district of the Legislative Assembly in the Australian state of Western Australia from 1977 to 1983 and again from 1989 to 1996.
The seat was won by Labor candidate Rev Keith Wilson, who became the first clergyman to win Parliamentary office since changes to the electoral laws a few years earlier which lifted a ban on them.
[1] The seat was renamed Nollamara two terms later, ahead of the 1983 state election.
Dianella was created as a new seat further south from its original incarnation for the 1989 state election, with Wilson successfully transferring to the seat, serving also as Minister for Health under Premiers Peter Dowding and Carmen Lawrence.
He was defeated one term later at the 1993 state election by Liberal candidate Kim Hames.