Pulau Seletar
{{Short description|Island in Singapore}}
{{Infobox islands
| name = Pulau Seletar (Seletar Island)
| native_name =
| native_name_link =
| native_name_lang =
| sobriquet =
| image_name =
| image_size =
| image_caption =
| image_alt =
| map = Singapore
| map_alt =
| map_width =
| map_caption =
| map_relief =
| label =
| label_position =
| coordinates = {{coord|1|26|33.18|N|103|51|45.3234|E|display=inline,title}}
| etymology =
| location = Straits of Johor
| pop =
| GridReference =
| archipelago =
| waterbody =
| total_islands =
| major_islands =
| area_ha = 38.5
| area_footnotes =
| rank =
| length_km =
| length_footnotes =
| width_km =
| width_footnotes =
| coastline_km =
| coastline_footnotes =
| elevation_m =
| elevation_footnotes =
| highest_mount =
| Country_heading =
| country = {{flag|Singapore}}
| country_admin_divisions_title =
| country_admin_divisions =
| country_admin_divisions_title_1 =
| country_admin_divisions_1 =
| country_admin_divisions_title_2 =
| country_admin_divisions_2 =
| country_capital_type =
| country_capital =
| country_largest_city_type =
| country_largest_city =
| country_capital_and_largest_city =
| country_largest_city_population =
| country_leader_title =
| country_leader_name =
| country_area_km2 =
| demonym =
| population =
| population_as_of =
| population_footnotes =
| population_rank =
| population_rank_max =
| density_km2 =
| density_rank =
| density_footnotes =
| ethnic_groups =
| timezone1 =
| utc_offset1 =
| timezone1_DST =
| utc_offset1_DST =
| website =
| additional_info =
}}
Pulau Seletar (or Seletar Island) is an island in Singapore waters, in the Straits of Johor off the northern coast.{{Cite book|title = A Gazetteer of the Singapore Locality Names of the Collections of the Herbarium, Singapore Botanic Gardens.|last1 = Chen|first1 = Junhao|publisher = Lee Kong Chian Natural History Museum, National University of Singapore|year = 2014|isbn = 978-981-07-2589-1|location = Singapore|pages = 15|last2 = Chong|first2 = Kwek Yan|first3 = Alex T. K.|last3 = Yee|last4 = Tan|first4 = Hugh T.W.|url = https://lkcnhm.nus.edu.sg/nus/pdf/PUBLICATION/LKCNH%20Museum%20Books/LKCNHM%20Books/gazetteer_locality_names.pdf|url-status=dead|archive-url = https://web.archive.org/web/20170128025000/https://lkcnhm.nus.edu.sg/nus/pdf/PUBLICATION/LKCNH%20Museum%20Books/LKCNHM%20Books/gazetteer_locality_names.pdf|archive-date = 2017-01-28}} It has an area of 38.5 hectares.{{Cite web|url=http://eresources.nlb.gov.sg/infopedia/articles/SIP_150_2005-01-20.html|title=Islands of Singapore|website=Singapore Infopedia|publisher=National Library Board, Singapore|access-date=8 March 2016}} It is in a bay into which several streams flow, including the waters of mainland Singapore's only hot spring.{{Cite book|url=https://books.google.com/books?id=L5kLBHwUwfEC|title=Landscape Planning in Singapore|last=Waller|first=Edmund|date=2001|publisher=NUS Press|isbn=9789971692384|page=89|language=en}}{{Cite book |last=United States Hydrographic Office |author-link=United States Hydrographic Office |url=https://books.google.com/books?id=-XyWbb8k28IC&q=Seletar |title=Publications ... |publisher=U.S. Government Printing Office |year=1962 |volume=70, 162 |pages=230 |language=en}}
Pulau Seletar is in the planning area of Simpang, in which it forms a single subzone of its own.{{Cite web|url=https://keylocation.sg/singapore/planning-areas/simpang|title=Singapore's Simpang Planning Area|website=Key Location}}
The island is home to mangrove trees, the tallest of which reach a height of 80 feet.