| Country: | England |
| Coordinates: | 53.4352°N -2.7481°W |
| Official Name: | Thatto Heath |
| Population: | 12,280 |
| Population Ref: | (2011.ward) |
| Metropolitan Borough: | St Helens |
| Metropolitan County: | Merseyside |
| Region: | North West England |
| Constituency Westminster: | St Helens South and Whiston |
| Post Town: | ST HELENS |
| Postcode Area: | WA |
| Postcode District: | WA9/WA10 |
| Dial Code: | 01744 |
| Os Grid Reference: | SJ484923 |
Thatto Heath is an area of St Helens, in Merseyside, England.
Historically in Lancashire, it lies approximately 6miles north-northwest of Widnes and about 12miles east of Liverpool city centre. The area is bordered by Eccleston, Rainhill, Ravenhead, Sutton and Windle.
The population of the ward at the 2011 census was 12,280.[1]
Thatto Heath is a ward of the Metropolitan Borough of St Helens.[2]
The three elected councillors for Thatto Heath ward are Cllrs Nova Charlton, Robyn Hattersley and Richard McCaulley of the Labour Party.
The area is served by Thatto Heath railway station, on the City Line between Liverpool and Wigan.
Rugby League club Thatto Heath Crusaders currently compete in the National Conference League Division 1.