Ongassaare

{{Short description|Village in Estonia}}

{{Infobox settlement

|official_name = Ongassaare

|native_name =

|settlement_type =Village

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|subdivision_type = Country

|subdivision_name = {{flag|Estonia}}

|subdivision_type1 = County

|subdivision_name1 = Ida-Viru County

|subdivision_type2 = Parish

|subdivision_name2 = Alutaguse Parish

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|timezone =EET

|utc_offset = +2

|timezone_DST = EEST

|utc_offset_DST = +3

|coordinates = {{coord|59.190719|27.459757|region:EE|display=inline,title}}

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Ongassaare (formerly Kõnnu) is a village in Alutaguse Parish, Ida-Viru County in northeastern Estonia.{{EHAK|5677}} (retrieved 28 July 2021)

Ongassaare is the birthplace of the organist and composer Alfred Karindi.