Question
Does anyone know the name of this goddess?
Answer
It's Goddess Chamunda.
Unlike what others have said, the person carrying her is not a vetala, it's a preta.
From the Iconography
The black or red coloured Chamunda is described as wearing a garland of severed heads or skulls (Mundamala). She is described as having four, eight, ten or twelve arms, holding a Damaru (drum), trishula (trident), sword, a snake, skull-mace (khatvanga), thunderbolt, a severed head and panapatra (drinking vessel, wine cup) or skull-cup (kapala), filled with blood. Standing on a corpse of a man (shava or preta) or seated on a defeated demon or corpse (pretasana). ... Sometimes, a crescent moon is seen on her head.[4][5] Her socket eyes are described as so intense that it burns the evil of all three worlds. She is accompanied by fiends and goblins.[5][6] She is also shown to be surrounded by skeletons or ghosts and beasts like jackals, who are shown eating the flesh of the corpse which the goddess sits or stands on.
(I have emphasized the characteristics matching with the image which you have shared)
This is another image of hers, from the Wikipedia page:
In the Durga Saptashati, it's clearly mentioned that she rides a preta.
chamunda devi rides preta, barahi rides on buffallo,
aindri uses elephant, vaishnavi rides garuda.
maheshwari rides on ox, kaumari rides on peacock.
consort of lord Vishnu, lakshamidevi sits on lotus with
lotus in her hands.
She is one of the Ashta Matrikas
From there:
The black coloured Chamunda is described as wearing a garland of severed heads or skulls (Mundamala) and holding a Damaru (drum), trishula (trident), sword and pānapātra (drinking-vessel). Riding a jackal or standing on a corpse of a man (shava or preta), she is described as having three eyes, a terrifying face and a sunken belly.
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