The Welsh National Book of Remembrance for the First World War contains the names of 35,000 servicemen and women, as well as members of Welsh Regiments, who lost their lives in the First World War. These individuals are listed according to regiment and battalion alongside the names of those who might well have died alongside them.

Fifth Battalion; First Battalion; Second Battalion; Sixth Battalion; Seventh Battalion; Eighth Battalion; Ninth Battalion; Tenth Battalion; Eleventh Battalion; Thirteenth Battalion; First Fourth Battalion; Second Fourth Battalion; First Fifth Battalion; Second Fifth Battalion