A woman has been charged with murdering a 56-year-old man in Muja, near Collie on Sunday.

The victim was found dead at a home in Hebb Road about 7.30pm on Sunday night.

A 53-year-old woman was taken into custody.

Homicide Squad detectives, with the assistance of Bunbury Detectives, have since charged the woman with murder.

The woman will face court today after being charged by police.

She was refused bail and is due to appear in the Bunbury Magistrates Court on Tuesday.

Police say the woman and the victim were known to each other.

Muja is a small town in WA's South West, about 225km south of Perth and about 25km east of Collie.