Treasure Island in Outer Space () is a 1987 Italian science fiction television miniseries directed by Antonio Margheriti.
It is based on the 1883 novel Treasure Island by Robert Louis Stevenson, setting the story in Italy and in space in the year 2300.
The series was produced by RAI (Radiotelevisione Italiana) and directed by Antonio Margheriti under the pen name Anthony M. Dawson. It is the biggest sci-fi production of Italian television.
The miniseries of 5 episodes of 100 minutes was originally aired in Italy from November 19, 1987, on RAI Due channel. It was also adapted as a 120-minute film. The miniseries is also known as Space Island (UK and Norway, USA on VHS) and Der Schatz im All (Germany).