The Welsh Socialist Republican Movement ("Mudiad Sosialaidd Gweriniaethol Cymru") raive sangano rezvematongerwo enyika rakanga risingagari kwenguva refu iro rakazvarwa nekuda kwekushungurudzika nekutadza kwaPlaid Cymru kupikisa referendamu yekutanga paWelsh Devolution
muna 1979 kuitira kuronga nzira chaiyo yokutsigira kuzvitonga. Yakanga iriwo kuedza kugadzira imwe nzira yeWelsh Socialist kune Plaid Cymru uye yakabudisa mapepa uye pepanhau rinonzi "Y Faner Goch" (The Red Flag).