Matthew Ian Fox (born April 28, 1973) is an American musician, founding member and a current lead guitarist for the hardcore punk band Shai Hulud and his side project Zombie Apocalypse.

He has also played guitar in many other rock bands, like Planet X, The Murrychesstoes, The One Eyed Kings, Unwillful Demise, S.F.B and Bingo Mut.

[5] In 1999, Fox founded the independent record label Ides of March, releasing music by bands like Glasseater, Brother's Keeper, Destro and Poison the Well.

Fox secured an exclusive distribution deal through Revelation Records, to which his band Shai Hulud was already signed.

Although Fox practices a drug- and alcohol-free lifestyle, he is not part of the straight edge movement, as stated in many interviews.