| Joseph Osmond Barnard | |
| Birth Date: | 10 August 1816 |
| Birth Place: | Portsmouth, England |
| Death Place: | Mauritius |
| Occupation: | Engraver |
| Known For: | Engraving Victoria on the Mauritius "Post Office" |
Joseph Osmond Barnard (10 August 1816 – 30 May 1865) was born in Portsmouth, England. He was a miniature painter and engraver who engraved the rare Mauritius "Post Office" stamps. He died in Mauritius on 30 May 1865.