The 1994 Cincinnati Open, known by the corporate title of the Thriftway ATP Championships was a tennis tournament played on outdoor hard courts. It was the 93rd edition of the tournament and was part of the ATP Super 9 of the 1994 ATP Tour It took place in Mason, Ohio, United States, from August 8 through August 15, 1994.
The tournament had previously appeared on the Tier III of the WTA Tour but no event was held from 1989 to 2003.
See main article: 1994 Thriftway ATP Championships – Singles. Michael Chang defeated Stefan Edberg 6–2, 7–5
See main article: 1994 Thriftway ATP Championships – Doubles. Alex O'Brien / Sandon Stolle defeated Wayne Ferreira / Mark Kratzmann 6–7, 6–3, 6–2