Cancellaria thomasiana

{{Short description|Species of gastropod}}

{{Use dmy dates|date=August 2020}}

{{Speciesbox

| image =

| image_caption =

| genus = Cancellaria

| species = thomasiana

| authority = Crosse, 1861

| synonyms_ref =

| synonyms = Cancellaria scalarina G.B. Sowerby II, 1849b

}}

Cancellaria thomasiana is a species of sea snail, a marine gastropod mollusk in the family Cancellariidae, the nutmeg snails.{{WRMS species|464735|Cancellaria thomasiana Crosse, 1861}}