The 1971 World Table Tennis Championships mixed doubles was the 31st edition of the mixed doubles championship.^{[1] [2]}

Zhang Xielin and Lin Huiqing defeated Antun Stipančić and Maria Alexandru in the final by three sets to one.^[3]

	Round of 16									Quarterfinals									Semifinals									Final
		Nobuhiko Hasegawa Yasuko Konno	15	21	17	21	21
		Antun Stipančić Maria Alexandru	21	12	21	19	19				Stipančić Alexandru	21	22	21
		Hans Alsér Rita Pogosova	22	21	21						Alsér Pogosova	19	20	14
		Hsi En-ting L'i Li-fen	20	10	13															Stipančić Alexandru	21	21	21
		Mátyás Beleznay Beatrix Kisházi																		Schöler Schöler	19	11	17
		Keitaro Tanaka Emiko Ohba									Beleznay Kisházi	17	21	16	21
		Eberhard Schöler Diane Schöler	21	21	21						Schöler Schöler	21	19	21	23
		Milan Orlowski Ilona Voštová	9	17	11																								Stipančić Alexandru	19	21	16	18
		Zhang Xielin Lin Huiqing	21	21	21																								Zhang Xielin Lin Huiqing	21	15	21	21
		Shigeo Itoh Reiko Sakamoto	15	18	17						Zhang Xielin Lin Huiqing	12	21	14	21	21
		Stanislav Gomozkov Zoja Rudnova	12	21	14	21	21				Gomozkov Rudnova	21	15	21	18	11
		Liang Geliang Zhang Li	21	15	21	18	11													Zhang Xielin Lin Huiqing	19	21	21	21
		Tokuyasu Nishii Mieko Fukuno	21	21	21															Nishii Fukuno	21	15	12	12
		Toshiaki Furukawa Kasuko Inoue	10	18	8						Nishii Fukuno	21	17	21	16	21
		Mitsuru Kono Toshiko Kowada	21	16	21	21					Kono Kowada	19	21	16	21	11
		Klaus Schmittinger Marta Hejma-Lužová	17	21	6	18

List of World Table Tennis Championships medalists