Ālamveya(Alamveya) is one of the gaṇa (gana, genus) of rākṣasas (rakshasa, a type of monsters). They were born of Ālamvā (Alamva), daughter of Khaśā(Khasa).

Vāyupurāṇa(69.172)
Brahmāṇḍapurāṇa (Maharṣi)(2.7.140)