Police are trying to locate 55-year-old Glenn Trevor Williams from Winchelsea.
They would like to speak to him in connection with a domestic related incident in Tandridge but have so far been unsuccessful.
Detective Sergeant Steve Muncaster said: “I would appeal to Mr Williams or anyone who knows his whereabouts to contact Surrey Police as we believe he may hold information vital to our investigation.”
Mr Williams is described as a white man, around 5ft 10in tall and of large build.
Anyone who can assist officers locate Mr Williams is urged to contact Surrey Police quoting reference 45150031933. Information can be passed anonymously to the independent charity Crimestoppers on 0800 555 111. Police say he is not seen as a threat to the wider community.