:Ysgol Gymraeg Dewi Sant, Llanelli

{{Short description|Welsh-medium school in Llanelli, Wales}}{{Infobox school

| native_name = {{langx|en|St David's Primary School}}

| established = 1947

| language = Welsh

| website = https://www.ysgolgymraegdewisant.cymru/

}}

{{Use dmy dates|date=April 2022}}

Ysgol Gymraeg Dewi Sant, (St David's Primary School) Llanelli, Wales, was the first Welsh medium school to be run by a local authority. It was opened by Miss Olwen Williams on Saint David's Day (1 March) 1947. The school was run in the Zion chapel school room.

In 2017 a plaque was put up marking the school's 70th anniversary.{{cite news|title=Welsh school celebrates 70 years|url=https://www.bbc.com/news/uk-wales-south-west-wales-39130333|access-date=23 October 2017|work=BBC News|date=1 March 2017}}