Rowen Frederick Osborn (1924 – February 2012) was an Australian public servant and diplomat.
In 1948 Osborn joined the Department of External Affairs as a cadet.
He graduated from his cadetship alongside Neil Currie, and Barrie Dexter.
[3] He was Australian High Commissioner to Fiji and Tonga from 1970 to 1973, and to Samoa from 1972.
Osborn died in February 2012, having been missing for several days.