| Honorific-Prefix: | Sir |
| Harry Brown | |
| Office1: | Director-General of the Postmaster-General's Department |
| Term Start1: | 18 December 1923 |
| Term End1: | 31 December 1939 |
| Birth Name: | Harry Percy Brown |
| Birth Date: | 28 December 1878 |
| Birth Place: | Hylton, Durham, England |
| Death Place: | Sydney, New South Wales, Australia |
| Occupation: | Public servant |
| Nationality: |  Australian |
Sir Harry Percy Brown (28 December 18785 June 1967) was a senior Australia public servant. He was Director-General of the Postmaster-General's Department from 1923 until 1939.
Harry Brown was born in South Hylton, County Durham, England on 28 December 1878 to Sarah Emma and George Brown.[1]
He was appointed Director-General of Posts and Telegraphs, heading the Postmaster-General's Department, in December 1923. His salary on appointment was significantly more than that of any other person in the Commonwealth Public Service.[1]
On 5 June 1967, Brown died in Sydney.[1]
Brown was appointed a Member of the Order of the British Empire in 1918, a Companion of the Order of St Michael and St George in 1934, and was knighted in 1938.[1]