Ap Tan Pai

{{Short description|Reef in the New Territories of Hong Kong}}

{{One source|date=March 2025}}

{{Use Hong Kong English|date=April 2019}}

{{Use dmy dates|date=April 2019}}

{{Infobox islands

|name = Ap Tan Pai

|native_name = 鴨蛋排

|native_name_link = Chinese language

|image_name =

|image_size =

|image_caption =

|map = Hong Kong

|coordinates = {{coord|22.55311|114.26550|display=title,inline|type:isle}}

|area_km2 =

|country = {{HKG}}

|country_admin_divisions_title = Districts

|country_admin_divisions = North District

|population =

|population_as_of =

}}

Ap Tan Pai ({{zh|t=鴨蛋排}}) is a reef in the New Territories of Hong Kong. It is located in Ap Chau Bay ({{zh|t=鴨洲海|labels=no}}; Ap Chau Hoi) of Crooked Harbour, between Ap Chau ({{zh|t=鴨洲|labels=no}}) to the east and Ap Lo Chun ({{zh|t=鴨籮春|labels=no}}) to the southwest.{{cite map |title=GeoInfo Map |url=http://www2.map.gov.hk/gih3/view/index.jsp |publisher=Hong Kong Lands Department |cartography=HKSARG Geospatial Information Hub |access-date=2015-05-12}} It is under the administration of North District.