El Yali National Reserve

{{Infobox protected area

| name = El Yali National Reserve

| alt_name =

| iucn_category = IV

| iucn_ref = UNEP-WCMC (2023). [https://www.protectedplanet.net/317179 Protected Area Profile for El Yali] from the World Database on Protected Areas. Retrieved 1 May 2023.

| photo = Gaviotin El Yali (141749679).jpeg

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| photo_caption = American oystercatcher (Haematopus palliatus) at El Yali National Reserve

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| coordinates = {{Coord|33.7333|S|71.6500|W|source:wikidata-and-enwiki-cat-tree_region:CL|display=inline}}

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| area_km2 = 5.2

| designation = National reserve

| authorized =

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| designated = 1996

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| governing_body = Corporación Nacional Forestal (CONAF)

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| embedded = {{Designation list

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| designation1 = Ramsar

| designation1_offname = Humedal el Yali

| designation1_date = 2 December 1996

| designation1_number = 878{{Cite web|title=Humedal el Yali|website=Ramsar Sites Information Service|url=https://rsis.ramsar.org/ris/878|accessdate=25 April 2018}}}}

}}

El Yali National Reserve is a nature reserve of Chile located in the southern portion of the Valparaíso Region. This coastal wetland is a Ramsar site and covers an area of 5.2 km².

El Yali has been considered an important nesting site for various species of birds in central Chile and a place of protection, rest and feeding for migratory species, which has made it the area with the highest concentration of avifauna in central Chile, with more than 115 species, including: the coscoroba swan, black-necked swan, Chilean flamingo, Franklin's gull and Cahuil gull, various types of ducks, the cuckoo heron and small birds, among others.