Cephalaspidae

{{Short description|Extinct family of jawless fishes}}

{{about|the prehistoric fish taxon|the gastropod taxon|Cephalaspidea}}

{{Taxobox

| fossil_range =

| image =Cephalaspis tenuicornis.jpg

| image_caption =Cephalaspis tenuicornis

| regnum = Animalia

| phylum = Chordata

| classis = †Osteostraci

| subclassis = †Cornuata

| ordo = †Cephalaspidida

| familia = †Cephalaspidae

| familia_authority = Huxley 1861

| subdivision_ranks = Genera

| subdivision =

• †Cephalaspis
• †Didymaspis Lankester 1867
• †Eukeraspis Lankester 1870
• †Witaaspis

| synonyms =

}}

Cephalaspidae is an extinct family of jawless fish in the class Osteostraci.