Mae Llyfr Cofio Cenedlaethol Cymru o'r Rhyfel Byd Cyntaf yn cofnodi enwau 35,000 o filwyr , yn ddynion a merched o Gymru ynghyd ag aelodau o gatrodau Cymreig, a gollodd eu bywydau yn y Rhyfel Byd Cyntaf. Rhestrwyd yr unigolion yma fesul catrawd a bataliwn ochr yn ochr ag enwau'r rhai a allai'n hawdd fod wedi marw gyda nhw.

First Battalion; Second Battalion; Eighth Battalion; Ninth Battalion; Tenth Battalion; Eleventh Battalion; Twelfth Battalion; Thirteenth Battalion; Twelfth Thirteenth Battalion; Fourteenth Battalion; Sixteenth Battalion; Nineteenth Battalion (Tyneside Pioneers); Twentieth Battalion (Tyneside Scottish); Twenty-first Battalion (Tyneside Scottish); Twenty-second Battalion (Tyneside Scottish); Twenty-third Battalion (Tyneside Scottish); Twenty-fourth Battalion (Tyneside Irish); Twenty-fifth Battalion (Tyneside Irish); Twenty-sixth Battalion (Tyneside Irish); Twenty-fourth 27th Battalion (Tyneside Irish); Twenty-ninth Battalion; Thirty-first Battalion; Second Garrison Battalion; First Fourth Battalion; First Fifth Battalion; First Sixth Battalion; First Seventh Battalion