Hreinn Halldórsson

Hreinn Halldórsson (born 3 March 1949) is an Icelandic former track and field athlete who competed in the shot put.

His personal best for the discipline was 21 09 m (69 ft 2+1⁄4 in), a former national record.

09 m (69 ft 2+1⁄4 in), a former national record He twice represented his country at the Summer Olympics and was the gold medallist at the European Athletics Indoor Championships in 1977 (Iceland's first medallist at the competition).