Yi Yuan Mansion

{{Short description|Former residence in Xiushui, Changhua County, Taiwan}}

{{Use dmy dates|date=August 2021}}

{{Infobox building

| name = Yi Yuan Mansion

| native_name = 馬興陳宅

| native_name_lang = zh

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| image = 秀水馬興陳宅.jpg

| image_size = 250px

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| building_type = former house

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| location = Xiushui, Changhua County, Taiwan

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| coordinates = {{coord|24|3|49.9|N|120|29|44.6|E|type:landmark_region:TW|display=inline,title}}

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| completion_date = 1846

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| developer = Chen Family

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The Yi Yuan Mansion or Maxing Chen Yi-Yuan Family Mansion ({{zh|t=馬興陳宅|s=马兴陈宅|first=t|p=Mǎxìng Chén Zhái}}) is a historical house in Xiushui Township, Changhua County, Taiwan. It is the largest old mansion in the county.