The Aryan Research Bureau was established by the Black Coven to create an army of unstoppable and obedient Aryan soldiers, as part of a plan to help Nazi Germany win World War II. (PROSE: Timewyrm: Exodus [+]Terrance Dicks, Virgin New Adventures (Virgin Books, 1991).)
The SSSSSSS acquired time travel technology from Vilencia Sixteen and attempted to seed Aryan genetic material throughout history, resulting in ape-like beings establishing themselves on several planets throughout space-time. (PROSE: Down [+]Lawrence Miles, Virgin New Adventures (Virgin Books, 1997).)
In an alternate timeline accidentally created by the Seventh Doctor and Ace's arrival in Colditz Castle in October 1944, Adolf Hitler was aware of the existence of aliens, but he ordered everything related to them kept secret to avoid the possibility of discovering a race superior to the Aryan. (AUDIO: Klein's Story [+]John Ainsworth and Lee Mansfield, Survival of the Fittest (Main Range, Big Finish Productions, 2010).)
In Nazi Germany, all members of the Schutzstaffel, which was meant to be an Aryan organisation, initially had to have A-positive blood. (AUDIO: The Dying Room [+]Lizzie Hopley, Torchwood (Big Finish Productions, 2017).)
When the Spy Master chased the Thirteenth Doctor and Ada Lovelace to 1943 Paris, he set himself up as German officer using a Teutonic psychic perception filter to hide his non-Aryan appearance from the Nazis. However, the Doctor had Noor Inayat Khan leak information to the Nazis of the Master being a double agent, and, as they came to arrest him, deactivated the perception filter to ensure his capture while she stole his TARDIS. (TV: Spyfall [+]Chris Chibnall, Doctor Who series 12 (BBC One, 2020).)
There was an equivalent of Aryan race on Skaro, whom Iris Wildthyme once met. (PROSE: Bafflement and Devotion [+]Paul Magrs, DWM short stories (Panini Publishing Ltd, 2000).)