Police are hunting a creep who exposed himself and committed lewd acts in front of women on trains in Melbourne’s south-east.

Investigators have been told the man exposed himself and masturbated infront of women in Oakleigh and Murrumbeena earlier this year.

The first incident occurred when a woman boarded a train at Oakleigh Railway Station and the man masturbated in front of her on Monday March 26 at 4.40pm.

The man then got off the train at Murrumbeena Railway station.

The same man boarded a train at Huntingdale Railway Station and masturbated in front of another female passenger on Wednesday May 23 at 4.50pm.

The man again exited at Murrumbeena railway station.

If you recognise the man pictured above, please contact police.