Magnaghi is an Italian surname. Notable people with the surname include: * Alberto Magnaghi (born 1941), Italian scholar of urban planning; * Debora Magnaghi (born 1970), Italian voice actress; * Sara Magnaghi (born 1993), Italian rower; * Simone Magnaghi (born 1993), Italian footballer. The name may also refer to: *'' Ammiraglio Magnaghi'', hydrographic survey vessel in service with Italian Navy, named after admiral (1839–1902).

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