Knut ("Knatten") Lindberg (February 2, 1882 – April 6, 1961) was a Swedish athlete. He competed at the 1908 Summer Olympics in London and at the 1912 Summer Olympics in Stockholm.
In the 100 metres, Lindberg took second place in his first round heat with a time of 11.2 seconds, barely behind winner Lester Stevens, and was eliminated without advancing to the semifinals.
Lindberg was also eliminated in the preliminary heats of the 200 metres, placing fourth in his five-man heat.