MFK Karviná B is the reserve team of the Czech professional football club MFK Karviná, based in the town of Karviná in the Moravian-Silesian Region. Established to nurture young talent and provide a platform for players to develop their skills, MFK Karviná B plays a crucial role in the club's overall strategy of fostering homegrown players who can eventually contribute to the first team.

Competing in the lower divisions of Czech football, MFK Karviná B focuses on a philosophy of attacking football, emphasizing teamwork, technical ability, and tactical awareness. The team serves as a vital stepping stone for aspiring footballers, allowing them to gain valuable match experience and showcase their potential in a competitive environment.

The club's facilities are designed to support player development, featuring modern training grounds and coaching staff dedicated to honing the skills of young athletes. MFK Karviná B is not only a breeding ground for talent but also a source of pride for the local community, fostering a strong connection with fans who support the team's journey through the ranks of Czech football.