Ratoath (Irish: Ráth Tó, meaning 'Tó's ringfort')[2] is a commuter town in County Meath, Ireland.

A branch of the Broad Meadow Water (Broadmeadow River) (Irish: An Gabhair) flows through the town.

At the 2022 census, there were 10,007 people living in Ratoath, making it the fourth largest urban area in Meath.

Mruigtuaithe occurs in the Book of Armagh as the name of one of these places in Meath where Saint Patrick founded a church and Eoin MacNeill identifies it as Ratoath.

[9] In 2010, a gaelscoil was opened in Ratoath despite not receiving official recognition by the Department of Education.

As of 2022, Ratoath is the largest town in the Republic of Ireland without a Garda station.

[13] Just outside the town is the horse racing track Fairyhouse Racecourse, where the Irish Grand National is held.

Ratoath has a long history of horse racing, with many jockeys coming from the area.

[citation needed] In 2016, for the first time in their history, Ratoath GAA hurlers got into a Leinster final after they defeated Rosenallis.