| Honorific-Prefix: | The Honourable |
| Matthew Henry Richey | |
| Order: | 5th |
| Office: | Lieutenant Governor of Nova Scotia |
| Term Start: | July 4, 1883 |
| Term End: | July 9, 1888 |
| Predecessor: | Adams George Archibald |
| Successor: | Archibald McLelan |
| Governor General: | Marquess of Lorne The Marquess of Lansdowne The Lord Stanley of Preston |
| Premier: | William Thomas Pipes William S. Fielding |
| Birth Date: | 10 June 1828 |
| Birth Place: | Windsor, Nova Scotia |
| Death Place: | Halifax, Nova Scotia |
| Nationality: | Canadian |
| Spouse: | Sarah Lavinia Richey (née Anderson) |
| Party: | Liberal-Conservative |
| Relations: | Matthew Richey (father) |
| Occupation: | Lawyer |
| Profession: | Politician |
Matthew Henry Richey (June 10, 1828 - February 21, 1911) was a Canadian politician in the 19th century.
Richey was the son of Matthew Richey, Methodist minister from Nova Scotia. The family was of Ulster-Scottish ancestry, his father having immigrated to Canada.
Richey studied law in Windsor, Province of Canada, was called to the bar in 1850 and practised law in Halifax. He served on the city council and was twice elected mayor of Halifax.
Richey was a Conservative politician and in 1878 he was elected to the Parliament of Canada. In 1883, he became the fifth Lieutenant Governor of Nova Scotia, a position he held until 1888.