Reports have suggested Chelsea are weighing up a move for the 24-year-old as they view him as a long-term replacement for Ashley Cole.
Olsson is expected to be one of several players to leave Blackburn this summer in the wake of ther relegation from the Premier League.
The full-back, who is away on international duty with Sweden ahead of Euro 2012, admits he is aware of the interest in his services
"I know there has been a lot of interest and I have heard about Chelsea," Olsson is quoted as saying in the Daily Mail.
"It proves that I have done well this season.'