An AFL fan has been arrested and charged with stalking a league umpire, with the suspect leaving "menacing voicemails" to the umpire after getting a hold of his mobile number.

The 39-year-old man from Frankston was attained under a search warrant executed by detectives from the Sporting Integrity Intelligence Unit on Thursday.

The man was charged with one count fo stalking and one count of using a carriage service to menace, before being released on bail.

The man will attend Frankston Magistrates' Court on May 4, 2021.

7 News reported that the AFL fan had managed to gain access to the umpire's phone number and had repeatedly called them during the Round 9 weekend, dating from July 31 to August 1.

If the man is found guilty, he may face up to 10 years in jail.

โ€œVictoria Police takes any threat against a person extremely seriously and will investigate incidents to the fullest extent,โ€ police said.

โ€œAnyone seeking to cause harm online or via a telecommunications device needs to remember there are serious consequences to their actions which can have devastating effects for victims.

โ€œThis behaviour is not on โ€“ itโ€™s criminal and Victoria Police will hold people to account for their actions.โ€

AFL general manger of football operations Steve Hocking lauded the police's efforts.

โ€œThe safety and welfare of everyone in the game; on the field, off the field, and online remains our priority and we thank Victoria Police for their work to identify and charge the offender,โ€ Hocking said in a statement.

โ€œThere is absolutely no excuse to threaten or abuse someone. It has no place at any level of our game or our society.

โ€œThis abuse affects our umpires, our players, and our staff. It is never okay and weโ€™re not going to accept it.โ€