The 1973 World Table Tennis Championships mixed doubles was the 32nd edition of the mixed doubles championship.^{[1] [2]}

Liang Geliang and Li Li defeated Anatoli Strokatov and Asta Gedraitite in the final by three sets to one.^[3]

	Round of 16									Quarterfinals									Semifinals									Final
		Antun Stipančić Maria Alexandru	21	21	21
		Czeslawa Noworyta Witold Woznica	13	13	10						Stipančić Alexandru	22	13	21	19	15
		Josef Dvořáček Alice Grófová	21	25	21						Dvořáček Grófová	20	21	13	21	21
		István Jónyer Judit Magos-Havas	12	23	15															Dvořáček Grófová	18	17	17
		Mitsuru Kono Sachiko Yokota	21	21	21															Liang Geliang Li Li	21	21	21
		Șerban Doboși Elenora Vlaicov	14	10	15						Kono Yokota	17	13	18
		Eberhard Schöler Diane Schöler	8	21	8	10					Liang Geliang Li Li	21	21	21
		Liang Geliang Li Li	21	15	21	21																							Liang Geliang Li Li	21	21	17	21
		Yo Yi-Tse Chang Li	9	21	20	21	21																						Strokatov Gedraitite	13	18	21	19
		Choi Sung Kuk Lee Ailesa	21	13	22	16	17				Yo Ti-Tse Chang Li	17	17	14
		Ya Chang Chun Cheng Huai Ying	21	21	21						Yo Chang Chun Cheng Huai Ying	21	21	21
		Masahiko Ohya Yoshiko Takase	17	18	14															Yo Chang Chun Cheng Huai Ying	21	14	20	12
		Tokio Tasaka Yukie Ohzeki	21	21	21															Strokatov Gedraitite	15	21	22	21
		Jacques Secrétin Claude Bergeret	16	14	13						Tasaka Ohzeki	15	18	21	15
		Anatoli Strokatov Asta Gedraitite	19	21	16	21	21				Strokatov Gedraitite	21	21	12	21
		Chan Hsien Lin Cheng Min-Chih	21	15	21	14	18

List of World Table Tennis Championships medalists