Gattya

{{short description|Genus of cnidarians}}

{{Automatic taxobox

| image = snowdrop hydroid8.jpg

| image_caption = Gattya humilis with Doto coronata

| taxon = Gattya

| authority = Allman, 1885

| subdivision_ranks = See text

| subdivision =

}}

Gattya is a genus of hydroids in the family Halopterididae.{{Cite web|title=WoRMS - World Register of Marine Species - Gattya Allman, 1885|url=http://marinespecies.org/aphia.php?p=taxdetails&id=267444|access-date=2021-01-18|website=marinespecies.org}}

The genus name of Gattya is in honour of Margaret Gatty (née Scott, 1809–1873), who was an English children's author and writer on marine biology.{{cite book | last=Burkhardt | first=Lotte | title=Eine Enzyklopädie zu eponymischen Pflanzennamen |trans-title=Encyclopedia of eponymic plant names | publisher=Botanic Garden and Botanical Museum, Freie Universität Berlin | year=2022 | isbn=978-3-946292-41-8 | url=https://doi.org/10.3372/epolist2022|format=pdf |language=German |location=Berlin | doi=10.3372/epolist2022 |access-date=January 27, 2022}}

The genus was circumscribed by William Henry Harvey in Trans. Roy. Irish Acad. Vol. 22 (Edition 5, Sci.) on page 555 in 1855.