Kanna (InuYasha) can steal the souls of anyone reflected in her mirror
Black Fog using Dream Eater to lethal effects, to devour an actual soul.
The Millennium Earl (D.Gray-Man) devours the "helix of life", or one's soul, from Danny, causing him to disintegrate.
The Barrier of Orichalcos (Yu-Gi-Oh!) takes the soul of the losers and gives it to the God of Orichalcos.
Kathy Newman (Buffy the Vampire Slayer) stealing a soul.
Liss Hubble (Angel: After the Fall)
Liss Hubble steals a soul.
Shang Tsung (Mortal Kombat) has the power to steal the souls of anyone he defeats.
The Soul Gem (Marvel) can suck the souls of the living.
Hollows (Bleach) absorb and devour souls.
Toguro (Yu Yu Hakusho) absorbing souls in order to feed his 100% form.
Demongo, the Soul Collector (Samurai Jack)
Kaito Tenjo (Yu-Gi-Oh! Zexal) using his Photon Hand
Soul Eater Evans (Soul Eater)
Freddy Krueger (A Nightmare on Elm Street) absorbs the soul of his victims to become more powerful.
The absorbed souls of Freddy Krueger's victims, physically portrayed as the screaming faces of his victims embedded in his chest.
Dementors (Harry Potter) can drain the souls of humans via the "Dementor's Kiss."
Q-Bee (Darkstalkers), queen of the Soul Bees.
Charon (Charmed), a Soul Collector, can steal the souls of others, preferably good witches, and transport said souls to Hell.
The Human Path (Naruto) grants a Rinnegan user the ability to read the mind of any target and yanking the soul out of the body, killing them.
Alucard (Hellsing) can absorb the souls of others by drinking their blood.
Muramasa (Bleach) can absorb the souls of Hollows.
Aaroniero Arruruerie (Bleach) can devour the souls of other hollows, adding their power to his own.
The Saigyou Ayakashi (Touhou Project) can drain people souls when it's in Full Bloom
After absorbing the 30-40 million souls of Purgatory, Castiel (Supernatural) was endowed with god-like power
The Dovahkiin/Dragonborn (Skyrim) can absorb the souls of dragons, gaining their knowledge and powers
Hunson Abadeer (Adventure Time)
Alexia (Los Protegidos) it can absorb the soul of the people
Soul Eater (Valkyrie Crusade)
Amduscias (Valkyrie Crusade) is a demon musician that steals the souls of mortals captivated by her recitals.
When the souls of the Migar Prisoners (Tracker) were brought to Earth, they took over human 'hosts' - absorbing the human souls into their own to ensure their survival - but killed the human inside in the process.
Cole (Tracker) is able to use his Collector to capture and entrap the souls of the Migar prisoners.
Kikyo (InuYasha) must absorb the souls of others to keep herself alive.
Shadow Fiend/Nevermore (Dota 2). He is able to collect souls from enemies to get stronger (Necromastery)
Jasmine (American Dragon: Jake Long)
Osiris the stand of D'arby (Jojo's bizarre adventure) can remove souls
Daemon Ritus (Scooby-Doo; 2002 film)
Franmalth (Fairy Tail) uses his Absorption Curse to absorb souls of others and magic to use their powers of use their forms.
Halloween Hound (Spooky Buddies)
Necalli (Street Fighter) feeds on the souls of strong warriors.
D'Hoffryn (Buffy the Vampire Slayer) absorbs the Soul Glutton of all his souls.
Saradin vampires (Legacy of Kain: Dead Sun) consume souls as opposed to blood.
The Summoning Key (Call of Duty: Black Ops III) has the power to preserve souls, but it can only be done after the moment of death.
Kavaxas (Teenage Mutant Ninja Turtles 2012) stealing Hammer's soul.
Nadakhan (Lego Ninjago) absorbing Kai's Soul and Fire Powers
via Djinn Blade