{{Gwybodlen lle | suppressfields = cylchfa | ardal = {{#invoke:Wikidata|getRawValue|P131|FETCH_WIKIDATA}} | gwlad = {{banergwlad|Lloegr}} | sir = [[Dwyrain Sussex]]<br />([[Swyddi seremonïol Lloegr|Sir seremonïol]]) }}
{{Infobox UK place
| ArticleTitle = Hailsham
| country = Lloegr
| static_image_name = Hailsham 11.JPG
| static_image_caption =
| latitude = 50.86
| longitude = 0.26
| official_name = Hailsham
| label_position = left
| population = 19977
| population_ref = (2011)<ref>[https://www.citypopulation.de/php/uk-england-southeastengland.php?cityid=E34000755 City Population]; adalwyd 6 Tachwedd 2017.</ref>