The victim was pronounced dead at the scene in Dashwood Avenue, High Wycombe, at about 05:30 BST.
A man from the town has been arrested on suspicion of murder.
A second man has been arrested on suspicion of obstructing a police constable in the execution of his or her duty.
Thames Valley Police urged anyone with any information to contact the force.
Two men have been arrested following the death of a woman at a property in Buckinghamshire.