Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
The policeman in a dream is the Angel of Death or worry and grief. Whoever sees a policeman following him is in worry and fear.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
The policeman indicates an unjust man. Fleeing from him is salvation from evil.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
The policeman is interpreted as an enemy. Whoever sees himself fighting him is fighting an enemy.