D

• Welsh dialects (6 P)
• Welsh dictionaries (2 P)

G

• Welsh grammar (8 P)

H

• History of the Welsh language (14 P)

I

• Welsh-language images (4 F)

M

• Welsh-language mass media (12 C, 12 P)

O

• Welsh-speaking people by occupation (8 C)

S

• Welsh-language schools (1 C, 33 P)
• Welsh-language surnames (1 C, 48 P)

T

• Welsh toponyms (1 C, 1 P)

W

• Welsh-language translators and interpreters (2 C, 1 P)
• Welsh words and phrases (2 C, 8 P)

• Welsh language

*

• Welsh-language literature

0–9

• Welsh Courts Act 1942
• Welsh Language Act 1967
• Welsh Language Act 1993

A

• Arfor
• List of Welsh-language authors

B

• Bible translations into Welsh
• Welsh Language Board
• Books Council of Wales
• Welsh Braille

C

• List of Celtic choirs
• Cymdeithas y Dysgwyr
• Cymreigyddion Society
• Cymreigyddion y Fenni
• Cymuned

D

• Dyfodol i'r Iaith

E

• Welsh-medium education
• Eglwys Dewi Sant, Cardiff
• Eisteddfod
• English and Welsh
• List of English words of Welsh origin
• Welsh exonyms

G

• Geiriadur Prifysgol Cymru
• Gwyneddigion Society

H

• Honourable and Loyal Society of Antient Britons
• Honourable Society of Cymmrodorion
• Meri Huws

I

• Wales Interpretation and Translation Service
• ISO-IR-182

J

• John Silvanus Davis

L

• Landsker Line
• List of place names of Welsh origin in the United States
• List of standardised Welsh place-names
• List of Welsh areas by percentage of Welsh-speakers
• List of Welsh-language media
• Little England beyond Wales

M

• Maes-e
• Melbourne Welsh Church
• Menter Iaith
• Merched y Wawr
• Mudiad Adfer
• Mudiad Meithrin

N

• Nant Gwrtheyrn
• National Assembly for Wales (Official Languages) Act 2012
• Welsh Not
• Welsh numerals

O

• Old Welsh
• Welsh orthography

P

• Paul-Yves Pezron

R

• Recommended place-names in Snowdonia
• Road signs in Wales
• Aled Roberts

S

• St Benet's, Paul's Wharf
• Saith Seren
• William Salesbury
• Shwmae Sumae Day
• SignPlot
• Singulative number
• Welsh slang
• Welsh Language Society

T

• Tafod y Ddraig
• Tafwyl
• Treachery of the Blue Books
• Ty Gwyn
• Tynged yr Iaith

U

• Urdd Peace and Goodwill Message

Ỽ

• Ỽ

W

• Welsh Language (Wales) Measure 2011
• Welsh Language Commissioner
• Welsh Learner of the Year
• Welsh Romani language
• Welsh toponymy
• Wlpan

Y

• The Last Day (novel)
• Y Fro Gymraeg
• Y with loop