| Office: | Member of the Riigikogu |
| Term Start: | 1995 |
| Term End: | 2011 |
| Office2: | Secretary of State of Jõgeva County |
| Term Start2: | 1987 |
| Term End2: | 1994 |
| Office3: | Chairman of Jõgeva City Council |
| Term Start3: | 8 January 2013 |
| Office4: | Member of Jõgeva City Council |
| Term Start4: | 1993 |
| Term End4: | 2005 |
| Birth Date: | 22 May 1952 |
| Birth Place: | Palupera, Estonia |
| Party: | People's Union of Estonia |
| Alma Mater: | University of Tartu |
Mai Treial (born 22 May 1952) is an Estonian politician who served as a Riigikogu member from 1995 until 2011.[1]
A 1987 graduate of University of Tartu, she served in several government positions in Jõgeva County, including Secretary of State, and was a member of Jõgeva City Council from 1993 to 2005.[1]
Treial is a Commander of the Order of Merit of the Republic of Italy (2005) and a Fourth Class recipient Order of the White Star (2002). She has a son and a daughter.[1]
On 8 January 2013, Treial was elected as Chairman of Jõgeva City Council.[2]