DJ Khaled wants to be the best ... NBA honcho in the world ... 'cause the man with the major key says he'd love to unlock a piece of the Miami Heat ... as a minority owner.
Khaled was out in NYC when we asked the loyal Heat fan if he'd ever be into following in the footsteps of his good friend Rick Ross ... and throw his hat into the ring of sports team ownership.
Remember, Ross told us he wanted a piece of the Miami Dolphins .