Nameling

Riannon

Gender
Girl
Say it
ree-AN-un
Origin
Welsh

Riannon is a girls' name of Welsh origin, meaning “great queen”. Too few babies were given it in the latest year to rank.

What does Riannon mean?

Welsh: spelling variant of Rhiannon, probably from Celtic Rigantona 'great queen'

“great queen”

Scholars often compare Rhiannon with Epona, the Gaulish horse goddess.

Is Riannon a girl's or a boy's name?

Riannon is a girls' name.

How popular is Riannon in the UK?

No girls in the UK were given it in 2025, or too few to be listed. Its busiest year was 2000, with 12 girls.

Half of all the girls named Riannon in the UK since 1996 were born between 1999 and 2005. It was already well used in 1996, when the records begin, so earlier girls aren't counted.

1996Busiest: 12 in 20002023
Riannon in the UK, year by year
YearGirlsRank
20233#5,929
20220–
20210–
20200–
20190–
20180–
20170–
20160–
20150–
20140–
20130–
20120–
20110–
20101#7,520
20090–
20083#5,772
20076#3,396
20067#2,940
20057#2,806
20045#3,356
20037#2,574
20028#2,231
200112#1,637
200012#1,593
19998#2,089
199810#1,815
19974#3,345
19969#1,862

Names like Riannon

Names given in the same years and the same naming tradition, with a similar sound.

Names related to Riannon

More Welsh names

Every Welsh name

Sources

Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland) and Baby names (Northern Ireland Statistics and Research Agency). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.

To cite this page: Nameling, “Riannon: name meaning, origin and popularity”, https://www.nameling.co.uk/names/riannon, updated 20 October 2026.