The 1986 WCT Houston Shootout was a men's tennis tournament played on indoor carpet courts. It was a World Championship Tennis event which was part of the 1986 Nabisco Grand Prix, as the two organisations had reunited. It was the second and last edition and was played in Houston, United States from November 17 through November 23, 1986. Sixth-seeded Slobodan Živojinović, who was added to the main draw with a wildcard, won the singles title.
Finals.
Singles.
 Slobodan Živojinović defeated Scott Davis, 6–1, 4–6, 6–3
Doubles.
 Ricardo Acuña / Brad Pearce defeated Chip Hooper / Mike Leach, 6–4, 7–5