This is a list of fish families sorted alphabetically by scientific name. There are 525 families in the list.

A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - R - S - T - U - V - W - X - Y - Z

Ab-Am - An-Ap - Ar-Au

Ca - Ce - Ch - Ci-Cu - Cy

La-Li - Lo-Lu

Ma-Mi - Mo-My

Pa-Pe - Ph-Pl - Po-Pr - Ps-Pt

Sa-Sc - Se-St - Su-Sy