Big Brother 2012 is the eight season of the Finnish reality television series Big Brother that premiered on August 28, 2012, on Sub.

Elina Viitanen returned to host the show, but Susanna Laine did not continue.

Viitanen left Big Brother Extra to host the Big Brother Talk Show alone, and new host of Big Brother Extra is singer Cristal Snow.

The first housemate in each box was nominated for two points, and the second housemate was nominated for one point.