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.

Fifth Battalion; Sixth (Rifle) Battalion; Seventh Battalion; Tenth Battalion (Liverpool Scottish); Depot; First Battalion; Second Battalion; Fourth Battalion; Fifth Battalion; Sixth Battalion; Seventh Battalion; Eighth Battalion; Ninth Battalion; Tenth Battalion; Eleventh Battalion; Twelfth Battalion; Thirteenth Battalion; Fourteenth Battalion; Fifteenth Battalion; Seventeenth Battalion; Eighteenth Battalion; Nineteenth Battalion; Twentieth Battalion; Twenty-first Battalion; Twenty-fifth Battalion; Twenty-sixth Battalion; Second (Garrison) Battalion; Fifty-third Graduated Battalion; Training Reserve; Labour Companies