The 1990 McDonald's Open took place at Palau Sant Jordi, in Barcelona, Spain.

Club Qualified as FC Barcelona Banca Catalana Host club POP 84 Champions of the 1989–90 FIBA European Champions Cup Scavolini Pesaro Champions of the 1989–90 Serie A New York Knicks Official guest from the NBA (7th place 1989-90 NBA season)

All games were held at the Palau Sant Jordi in Barcelona, Spain.

	Semi-finals				Final
	October 11
	POP 84	102
					October 13
	FCB Banca Catalana	97
					POP 84	101
	October 11
					New York Knicks	117
	New York Knicks	119
	Scavolini Pesaro	115
					Third place
					October 13
					FCB Banca Catalana	106
					Scavolini Pesaro	105

Pos.	Club	Rec.
	New York Knicks	2–0
	POP 84	1–1
	FC Barcelona Banca Catalana	1–1
4th	Scavolini Pesaro	0–2

1990 McDonald's Champions
New York Knicks

• NBA International Pre-Season and Regular-Season Games
• List of champions at a-d-c