Anstey is a village and civil parish in the East Hertfordshire district of Hertfordshire, England, about 15 miles northeast of Stevenage. According to the 2001 census the population of the parish was 338, reducing to 299 at the 2011 census.
The name "Anstey" derives from the Old English ān and stīg.
There are at least two books on the history of this village.