Tryggvason

Tryggvason may refer to:


 * Olaf Tryggvason (died 1000)
 * Bjarni Tryggvason (born 1945), Icelandic-born Canadian engineer and a former NRC/CSA astronaut
 * Gretar Tryggvason (born 1956), Professor and Head of the Mechanical Engineering Department at the Worcester Polytechnic Institute