Robert Colin Holmes (2 April 1926 – 24 May 1986) was a British television scriptwriter.
For over twenty-five years he contributed to some of the most popular programmes screened in the UK.
He is particularly remembered for his work on science fiction programmes, most notably his extensive contributions to Doctor Who, which included working as its script editor from 1974 to 1977.Holmes suffered ill-health from the early-1980s.
He died in May 1986 while working on scripts for the second and final Sixth Doctor season The Trial of a Time Lord.