Adam de Hertyngdon (also Hartington or Hertington) (d. 1380) was Archdeacon of London from 1362 to 1368 and a Canon of Windsor from 1368-1379.
[1] He was ordained sub-deacon at Chelmsford in the diocese of Winchester by Simon Sudbury on 24 September 1362.
He was appointed: He was appointed to the eighth stall in St George's Chapel, Windsor Castle in 1368 but hold held it for 5 months, when he swapped it for the second stall.
He resigned in 1376 but was reappointed later in the same year.