Donald McNab Robertson (7 October 1905 – 14 June 1949) was a Scottish athlete who competed in the 1936 Summer Olympics.

[1][2] Robertson born in Glasgow, became the national marathon champion after winning the British AAA Championships title at the 1932 AAA Championships.

[7][8] Robertson represented Scotland at the 1934 Empire Games and won the silver medal in the marathon competition.

[9] Robertson regained the marathon title at the 1936 AAA Championships,[10][11] before being selected to represent Great Britain at the 1936 Olympic Games held in Berlin, where he finished seventh in the Olympic marathon event.

He died in Glasgow 14 June 1949 from a pulmonary embolism aged 43.