List of Jewish Communities and Congregations
listed according to county
(see below for listings alphabetically or by unitary authority)

The following are the Jewish communities and congregations that exist, or existed, in Wales:
 

Listing according to pre-1974
historic counties

Breconshire (Brecknockshire)
  Brynmawr
     Brynmawr Hebrew Cong.^(3,5,6,7)

Caernarvonshire
  Bangor
     Bangor Hebrew Congregation^(1,3,4,5,7)

  Llandudno

     Llandudno & Colwyn Bay Hebrew Congregation (formerly Llandudno Hebrew Congregation) *^(3,4,5,7)

     Llandudno second (WWII) congregation

Carmarthenshire
  Ammanford
     Ammanford Hebrew Cong.⁽³⁾

   Carmarthen
     Carmarthen Jewish Community⁽¹⁾

 Llanelli
     Llanelli Synagogue^{(1,3,4,5,6,7)}

Denbighshire
  Colwyn Bay
     Colwyn Bay Hebrew Cong.⁽⁷⁾

   Wrexham Jewish Community^(3,5)
     Wrexham Old Hebrew Congregation^(3,7)
     Wrexham Synagogue^(3,5,7)

Flintshire
  Rhyl Jewish Community^(3,5)
     Rhyl & District Hebrew Congregation^(3,5,7)
     Rhyl Hebrew Congregation (from WWII)^(3,7)

  Sealand
     Synagogue at RAF Sealand⁽⁷⁾

Glamorganshire
  Aberdare
     Aberdare and Aberaman Hebrew Congregation^(3,6,7)

  Bargoed
     Bargoed Hebrew Cong.^(3,7)

  Barry
     Barry Dock Hebrew Cong.⁽³⁾

  Bridgend
     Bridgend Synagogue⁽³⁾

  Cardiff Jewish Community^(1,2,5,6)
     Cardiff Beth Hamedresh⁽⁷⁾
     Cardiff Hebrew Congregation^(4,6,7)
     Cardiff New Hebrew Congregation^(6,7)
     Cardiff Reform Synagogue*^(4,7)
     Cardiff United Synagogue*^(4,6,7)
     Roath Park Minyan⁽⁷⁾

  Merthyr Tydfil
      Merthyr Tydfil Hebrew Cong.^{(1,2,3,4,5,6,7)}

  Neath
     Neath Synagogue^(1,5)

  New Tredegar
     New Tredegar Hebrew Cong.^(3,6,7)

  Penrhiwceiber
     Penrhiwceiber Synagogue⁽⁷⁾

  Pontypridd
     Pontypridd Synagogue^(3,5)

  Porth
     Porth Jewish Community^(5,7)

  Porthcawl
     Porthcawl Hebrew Cong.

  Port Talbot
     Aberavon and Port Talbot⁽³⁾

  Swansea Jewish Community^(1,2,3,5,6)
     Swansea Beth Hamedrash⁽⁷⁾
     Swansea Hebrew Cong.^{*(2,3,4,5,6,7)}

  Tonypandy
     Tonypandy Synagogue^(3,5,6,7)

  Treorchy
     Treorchy Jewish Community

  Ysealyfera
     Ystalyfera Synagogue

Monmouthshire
 Abercarn (see Newbridge)

 Abergavenny
     Abergavenny Jewish Community⁽¹⁾

  Abertillery
     Abertillery Hebrew Cong.^(3,6,7)

  Crosskeys (see Newbridge)

  Crumlin (see Newbridge)

  Ebbw Vale
     Ebbw Vale Hebrew Cong.^(3,5,6,7)

  Llanhilleth (see Newbridge)

  Newbridge
     Newbridge Hebrew Cong.^(3,5,6,7)

  Newport
     Newport Synagogue^{(1,3,4,5,6,7)}

  Pontypool
     Pontypool Synagogue^(1,3)

  Tredegar
     Montefiore Centenary Syn.^(3,5,6,7)

Montgomeryshire
  Welshpool
      Welshpool Jewish Group*

Pembrokeshire
  Haverfordwest
      Haverfordwest Jewish Community⁽¹⁾ 

Listing according to administrative
counties 1974 to 1996

 Clwyd
   Colwyn
      Colwyn Bay Hebrew Cong⁽⁷⁾

  Alyn & Deeside
      Synagogue at RAF Sealand⁽⁷⁾

  Rhyl Jewish Community^(3,5)
      Rhyl & District Hebrew Congregation^(3,5,7)
      Rhyl Hebrew Congregation (from WWII)^(3,7)

   Wrexham Jewish Community^(3,5)
      Wrexham Old Hebrew Congregation^(3,7)
      Wrexham Synagogue^(3,5,7)

 Dyfed
   Ammanford
      Ammanford Hebrew Cong.⁽³⁾

   Carmarthen
      Carmarthen Jewish Community⁽¹⁾

   Haverfordwest
      Haverfordwest Jewish Community⁽¹⁾ 

   Llanelli
      Llanelli Synagogue^{(1,3,4,5,6,7)}

 Gwent

   Abercarn (see Newbridge)

   Abergavenny
      Abergavenny Jewish Community⁽¹⁾

   Abertillery
      Abertillery Hebrew Cong.^(3,6,7)

   Brynmawr
      Brynmawr Hebrew Cong.^(3,5,6,7)

   Crosskeys (see Newbridge)

  Crumlin (see Newbridge)

   Ebbw Vale
      Ebbw Vale Hebrew Cong.^(3,5,6,7)

   Llanhilleth (see Newbridge)

   Newbridge
      Newbridge Hebrew Cong.^(3,5,6,7)

   Newport
      Newport Synagogue^{(1,3,4,5,6,7)}

   Torfaen
      Pontypool Synagogue^(1,3)

   Tredegar
      Montefiore Centenary  Syn.^(3,5,6,7)

 Gwynedd
   Bangor
      Bangor Hebrew Congregation^(1,3,4,5,7)

   Llandudno

      Llandudno & Colwyn Bay Hebrew Congregation (formerly LLandudno Hebrew Congregation)*^(3,4,5,7)

      Llandudno second (WWII) congregation

 Mid Glamorgan
   Aberdare
      Aberdare and Aberaman Hebrew Congregation^(3,6,7)

   Bargoed
      Bargoed Hebrew Cong.^(3,7)

  Bridgend
      Bridgend Synagogue⁽³⁾

   Merthyr Tydfil
      Merthyr Tydfil Hebrew Cong.^{(1,2,3,4,5,6,7)}

  New Tredegar
      New Tredegar Hebrew Cong.^(3,6,7)

   Penrhiwceiber
      Penrhiwceiber Synagogue⁽⁷⁾

   Pontypridd
      Pontypridd Synagogue^(3,5)

   Porth
      Porth Jewish Community^(5,7)

   Porthcawl

        Porthcawl Hebrew Cong.

   Tonypandy
      Tonypandy Synagogue^(3,5,6,7)

   Treorchy
       Treorchy Jewish Community

 Powys
   Welshpool
       Welshpool Jewish Group*

South Glamorgan
   Barry
        Barry Dock Hebrew Cong.⁽³⁾

    Cardiff Jewish Community^(1,3,5,6)
        Cardiff Beth Hamedresh⁽⁷⁾
        Cardiff Hebrew Congregation*^(4,6,7)
        Cardiff New Hebrew Congregation^(6,7)
        Cardiff Reform Synagogue*^(4,7)
        Cardiff United Synagogue*^(4,6,7)
        Roath Park Minyan⁽⁷⁾

 West Glamorgan
   Neath
       Neath Synagogue^(1,5)

   Port Talbot
       Aberavon and Port Talbot⁽³⁾

    Swansea Jewish Community^(1,2,3,5.6)
       Swansea Beth Hamedrash⁽⁷⁾
       Swansea Hebrew Cong.^{*(2,3,4,5,6,7)}

   Ysealyfera
       Ystalyfera Synagogue