Mohammed Achaari (Arabic: محمد الأشعري; born 1951) is a Moroccan writer and politician.

Some of his works have been translated into French, Spanish, Russian and Dutch.

He has been elected president of the Moroccan Union of Writers twice in the period 1989–1996.

Achaari was announced joint winner of the 2011 Arabic Booker Prize for his novel The Arch and the Butterfly.

He shared the prize with the Saudi writer Rajaa Alem.