Karina Bautista

 is a teen housemate in the first chapter of Pinoy Big Brother 8.

Karina was among the second set of potential female housemates introduced. Karina became the fourth official female housemate after he received the highest amount of viewer votes at 57% against the remaining potential female housemates.

Before entering, she and other female housemates were tasked to wear a black bonnet and bodysuit and must be able to let the male teen housemates to guess where they are from without speaking. Whoever failed will stay in their current form until Big Brother's notice.