Archibald Keightley Nicholson (1871–1937) was an English 20th century ecclesiastical stained-glass maker. His father was Charles Nicholson and his two brothers, Charles and Sydney, were a church architect and church musician, respectively. During his lifetime Nicholson designed and executed over 700 window designs, including work in the cathedrals of Newcastle, Chester, Lincoln, Norwich, Southwell, Bradford, Worcester (the Edward Elgar memorial window) and Wells.