Men's doubles
1978 U.S. Clay Court Championships
Final
Champions	Gene Mayer Hank Pfister
Runners-up	Jeff Borowiak Chris Lewis
Score	6–4, 7–6
Events
Singles men women Doubles men women
← 1977 · U.S. Clay Court Championships · 1979 →

Jaime Fillol and Patricio Cornejo, the defending champions, returned with new partners. The pairs met in the quarterfinals with Cornejo and Pat DuPré claiming victory but Gene Mayer and Hank Pfister ended their run in the semifinal. Top-seeded Mayer and Pfister went on to win the title, beating Jeff Borowiak and Chris Lewis in the final.^[1]

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.

	Semifinals							Final
	1	Gene Mayer Hank Pfister	7	7
	6	Patricio Cornejo Pat DuPré	5	6
								1	Gene Mayer Hank Pfister	6	6
								8	Jeff Borowiak Chris Lewis	3	1
	8	Jeff Borowiak Chris Lewis	7	4	7
	2	John McEnroe Balázs Taróczy	6	6	5

	First round							Second round							Quarterfinals							Semifinals
	1	G Mayer H Pfister	6	6
		George Carlsson S Stewart	0	3				1	G Mayer H Pfister	6	6
		R Lombardi H Schoenfield	2	3					D Carter R Frawley	3	4
		D Carter R Frawley	6	6											1	G Mayer H Pfister	6	6
		P Bertolucci A Panatta	1	6												M Fishbach B Mitton	1	2
		M Fishbach B Mitton	6	7					M Fishbach B Mitton	6	6
		M Davis S Denton	6	3	6				M Davis S Denton	0	1
	7	F Jauffret C Roger-Vasselin	2	6	3																	1	G Mayer H Pfister	7	7
	3	Á Fillol J Fillol	6	6																		6	P Cornejo P DuPré	5	6
		B Coleman G Holroyd	2	4				3	Á Fillol J Fillol	6	6
		B Nichols Chip Tolleson	7	6					B Nichols C Tolleson	4	4
		G Ocleppo P Rodríguez	6	4											3	Á Fillol J Fillol	6	2	3
		Á Betancur B Rowe	7	3	4										6	P Cornejo P DuPré	4	6	6
		D Lloyd J Lloyd	6	6	6				D Lloyd J Lloyd	3	4
		P Feigl T Svensson	6	4	4			6	P Cornejo P DuPré	6	6
	6	P Cornejo P DuPré	4	6	6

	First round							Second round							Quarterfinals							Semifinals
	8	J Borowiak C Lewis	6	6
		Earl Prince R Tyler	0	2				8	J Borowiak C Lewis	6	6
		B Drewett J Kriek	6	5	6				B Drewett J Kriek	2	4
		K Johansson S Krulevitz	3	7	2										8	J Borowiak C Lewis	5	6	6
		S Docherty G Hardie	6	6												S Docherty G Hardie	7	4	2
		T Graham J Sadri	3	3					S Docherty G Hardie	w/o
		G Moretton P Portes	2	2				4	J Higueras M Orantes
	4	J Higueras M Orantes	6	6																		8	J Borowiak C Lewis	7	4	7
	5	JL Clerc B Prajoux	6	3	0																	2	J McEnroe B Taróczy	6	6	5
		É Deblicker Y Noah	4	6	6				É Deblicker Y Noah	4	6	6
		C Dowdeswell H Günthardt	6	6					C Dowdeswell H Günthardt	6	0	3
		B Martin B Scanlon	4	2												É Deblicker Y Noah	1	5
		C Barazzutti H Kary	2	2											2	J McEnroe B Taróczy	6	7
		Ž Franulović H Gildemeister	6	6					Ž Franulović H Gildemeister	3	4
		D Crealy I El Shafei	4	4				2	J McEnroe B Taróczy	6	6
	2	J McEnroe B Taróczy	6	6