Robert Oscar Baker (December 21, 1926 – February 9, 2012) was an American ice hockey player who competed in ice hockey at the 1948 Winter Olympics.

Baker was a member of the American ice hockey team which played eight games, but was disqualified, at the 1948 Winter Olympics in St. Moritz, Switzerland.

After retiring from professional hockey, Baker worked for IBM for 30 years.

Baker died in Raleigh, North Carolina, in 2012 at the age of 85.

This biographical article relating to an American ice hockey winger is a stub.