Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
The hedgehog in a dream is a quick-tempered man, with little mercy and a narrow chest. It indicates espionage and evil.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
The hedgehog indicates a man of bad character who cannot be trusted. Whoever sees himself carrying one is accompanying a man with these traits.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
The hedgehog is interpreted as a hateful man. Whoever sees himself eating its meat will gain wealth from a bad man.