Sir Aaron (Pokémon: Lucario and the Mystery of Mew)
Hyuga Clan (Naruto); via Byakugan
Karin (Naruto); via Mind's Eye of the Kagura
Users of Kenbunshoku/Observation Haki (One Piece)
Monkey D. Luffy
Bridge Carson/S.P.D. Green Ranger (Power Ranger S.P.D.)
Linda Tavara (Heroes)
Margaret Isobel Thoreaux (Smallville)
Drusilla (Buffy the Vampire Slayer)
Vanessa Brewer (Angel)
Tara Maclay (Buffy the Vampire Slayer)
Neo (The Matrix)
Geordi La Forge (Star Trek: The Next Generation)
Xenomorphs (Aliens vs. Predator)
Miraluka (Star Wars)
Sykes (Being Human U.K)
Annie Sawyer (Being Human U.K)
Phoebe Buffay (Friends)
Freya Beauchamp (Witches of East End)
Wendy Beauchamp (Witches of East End)
Darryl (Just Like Heaven)
Succubus (Lost Girl)
Leena (Warehouse 13)
Users of Eagle Vision/Eagle Sense (Assassin's Creed)
Meisters (Soul Eater)
Ivy Walker (The Village)
Others (Night Watch)
Nikodemos (Thieves' World)
Luna (Incarnations of Immortality)
Nick Scryer (Psi-Ops: The Mindgate Conspiracy)
Alex Mercer (Prototype); via Infected Vision
Cole MacGrath (Infamous); via Radar Pulse
Vampire Lords (Elder Scrolls V: Skyrim); Via Detect All Creatures
Last Dragonborn (The Elder Scrolls Skyrim); via Aura Whisper shout and Detect life/dead spell
Miranda Kane (Shadow Falls)
Jax Pavan (Star Wars Legends)
Lissa Dragomir (Vampire Academy)
Adrian Ivashkov (Vampire Academy)
Sonya Karp (Vampire Academy)
Avery Lazar (Vampire Academy)
Karoli (The Subject No. 1)
David White (ONSET)
Aura Visualizer Machine (Adventure Time)
Annie Sawyer (Being Human U.K) has the ability to read other people's auras.
Clark Kent/Kal-El/Superman (DC Comics) reading Superboy's aura.
Waverider (DC Comics) can read auras to determine a person's past and possible future.
"Gyo" (Hunter X Hunter) in a user's eyes allows them to see invisible auras.
Admiral Issho/Fujitora (One Piece) reading the auras of the Dressrosa citizens.
With the further development of his Kenbunshoku/Observation Haki, Monkey D. Luffy (One Piece) can read the flow of Charlotte Katakuri's incoming attacks and dodge them accordingly…
…and see people behind walls and buildings in order to sneak up behind them and knock them out.
Lucario (Pokémon) can read auras.
Due to lacking a constant connection with the Force, Jax Pavan (Star Wars Legends) viewed the Force as ribbons of color that extended into multiple dimensions which allowed him to view the "auras" of people.
Dawn (Total Drama) reading Zoey's Aura revealing that she's an only child and also, creeping her out.