Vincent Rijmen (Dutch pronunciation: [ˈvɪnsɛnt ˈrɛimə(n)]; born 16 October 1970) is a Belgian cryptographer and one of the two designers of the Rijndael, the Advanced Encryption Standard.

Rijmen is also the co-designer of the WHIRLPOOL cryptographic hash function, and the block ciphers Anubis, KHAZAD, Square, NOEKEON and SHARK.

In 1997, Rijmen finished his doctoral dissertation titled Cryptanalysis and design of iterated block ciphers.

Since January 2019 he is also an adjunct professor at Selmer Center (the secure communication group at the University of Bergen, Norway).

[3] In 2019, he was named a Fellow of the International Association for Cryptologic Research for "co-designing AES, contributions to the design and cryptanalysis of symmetric primitives, and service to the IACR.