Phu Ninh

Phu Ninh may refer to several populated places in Vietnam:


 * Phú Ninh District, a rural district of Quảng Nam Province
 * Phù Ninh District, a rural district of Phú Thọ Province
 * Phù Ninh, Haiphong, a commune of Thủy Nguyên District
 * Phù Ninh, Phú Thọ, a commune of Phù Ninh District