Julius Mikael Tauriainen (born 18 April 2001) is a Finnish professional footballer who plays as a right-back for Veikkausliiga club Lahti.

[2][3] Tauriainen grew up in Veikkola, Kirkkonummi and started playing football in the local club FC WILD, before joining the HJK organisation.

On 6 February 2023, Tauriainen returned to Finland and signed with Veikkausliiga side FC Lahti on a two-year deal.

[9] On 24 July 2024, it was announced that Tauriainen is sidelined for indefinite period of time due to surgery-requiring knee injury.

[10] He has represented Finland at international youth levels and was in the starting eleven in 8 out of 10 2023 UEFA European Under-21 Championship qualification matches.