From a Marxist perspective, all class-based societies are governed by dictatorships:
A dictatorship is the political dominance of one group of people over others. In a class society, a dictatorship usually favors the interest of certain classes over the others.
Right now, we live in the Dictatorship of the Bourgeoisie
The bourgeoisie is the ruling class in capitalist society; it owns the means of production and has a decisive influence on production. It lives off of surplus value which it obtains by exploiting the labour power of the proletariat.