The 1978 Cathay Trust Championships was a men's tennis tournament played on indoor carpet courts in Taipei, Taiwan that was part of the 1978 Colgate-Palmolive Grand Prix.

It was the second edition of the tournament and was held from 13 November through 19 November 1978.

Second-seeded Brian Teacher won the singles title.

[3] Brian Teacher defeated Tom Gorman 6–3, 6–3, 6–3 Butch Walts / Sherwood Stewart defeated Mark Edmondson / John Marks 6–2, 6–7, 7–6