The 1965 World Table Tennis Championships mixed doubles was the 28th edition of the mixed doubles championship.^{[1] [2]}

Koji Kimura and Masako Seki defeated Chuang Shih-lin and Lin Hui-ching in the final by three sets to two.^[3]

	Round of 16									Quarterfinals									Semifinals									Final
		Koji Kimura Masako Seki	21	21	21
		Li Fu-jung Li Ho-nan	16	14	16						Kimura Seki	17	21	21	21
		Vladimír Miko Marta Lužová	19	21	21	21					Miko Lužová	21	19	14	16
		Eberhard Schöler Agnes Simon	21	10	17	13														Kimura Seki	21	21	19	22
		Ken Konaka Naoko Fukazu	18	21	21	18	21													Konaka Fukazu	16	10	21	20
		Dorin Giurgiuca Ella Constantinescu	21	17	9	21	19				Konaka Fukazu	21	21	17	21	21
		Wang Chia-sheng Ti Chiang-hua	21	11	21	21					Wang Chia-sheng Ti Chiang-hua	15	17	21	23	17
		Péter Rózsás Sarolta Lukacs	7	21	16	14																							Kimura Seki	21	18	21	21	21
		Hiroshi Takahashi Noriko Yamanaka	18	21	21	21																							Chuang Shih-lin Lin Hui-ching	13	21	23	12	18
		Edvard Vecko Cirila Pirc	21	14	12	15					Takahashi Yamanaka	10	18	19
		Chuang Shih-lin Lin Hui-ching	18	21	21	21	21				Chuang Shih-lin Lin Hui-ching	21	21	21
		Radu Negulescu Maria Alexandru	21	6	23	16	16													Chuang Shih-lin Lin Hui-ching	21	16	21	21
		Hans Alsér Eva Johansson	21	21	21	20	21													Chuang Tse-tung Liang Li-chen	8	21	14	11
		Ernst Gomolla Edit Buchholz	19	23	18	22	5				Alsér Johansson	16	16	19
		Chuang Tse-tung Liang Li-chen	21	21	21						Chuang Tse-tung Chiu Chung-hui	21	21	21
		Su Kuo-hsi Cheng Min-chin	13	9	10

List of World Table Tennis Championships medalists