Glynfach

{{Use dmy dates|date=October 2019}}

{{Infobox UK place

| coordinates = {{coord|51.61060|-3.40928|display=inline,title}}

| country = Wales

| welsh_name =

| constituency_welsh_assembly = Rhondda

| map_type =

| official_name = Glynfach

| unitary_wales = Rhondda Cynon Taf

| lieutenancy_wales = Mid Glamorgan

| constituency_westminster = Rhondda

| post_town = PORTH

| postcode_district = CF39

| postcode_area = CF

| dial_code = 01443

| os_grid_reference = ST030908

}}

Glynfach (Welsh for 'small valley') is a district of the community and electoral ward of Cymmer, within the town of Porth, Rhondda Cynon Taf. There are no shops in Glynfach, however there is one pub - The Colliers Arms - and one parish church - St. John's Church. Glynfach consists of only a handful of streets, most of which are terraces.

Adjoining Glynfach is the small district of Britannia. Glynfach was also once the location of Glynfach Colliery, sunk in 1851.