Muhammad Alif Abdullah (born September 21, 1989), better known as ALYPH or Alif is a Singaporean-Malay singer, performer, songwriter, composer and producer based in Malaysia. Between 2005 and 2015, Alif was active as part of the Singaporean hip hop and R&B duo, SleeQ, along with his cousin, Syarifullah/Syarif. He is the founder of the record label Black Hat Cat Records. He signed with Def Jam Recordings South East Asia in 2019.
ALYPH studied at Eunos Primary School and Tanjong Katong Secondary School.
ALYPH released a single Swipe in 2022 and then Check in 2023.