A composite filter device includes a transmission filter and a reception filter first and second acoustic wave filters, respectively. The first acoustic wave filter has a first pass band and the second acoustic wave filter has a second pass band higher than the first pass band. One end of the first acoustic wave filter and one end of the second acoustic wave filter are connected in common by a common terminal. The second acoustic wave filter is a ladder filter including parallel arm resonators defined by acoustic wave resonators. The inequalities of fq