Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
The wolf is an unjust enemy, a lying thief. Whoever sees a wolf in his house, a thief will enter his house. Killing the wolf is victory over the enemy. Whoever sees himself turn into a wolf will attain joy and benefit.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
The wolf indicates the accusation of an innocent man, referencing the story of Joseph (Yusuf). Seeing it indicates poverty and fear. Fleeing from it is salvation from the enemy's cunning.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
The wolf is interpreted as an unjust king or a severe thief. Whoever sees himself eating wolf meat will gain wealth from a ruler. The wolf's head indicates gaining authority.