The Dynamic Billard Klagenfurt Open 2018 (sometimes known as the 2018 Austrian Open) was the fifth and penultimate Euro Tour 9-Ball pool event in 2018.

[2] The event was won by Austria's Mario He who defeated England's Mark Gray 9–8 in the final.

This was He's 4th championship, and second of the Euro Tour season - having already won the 2018 Veldhoven Open.

[3] Ralf Souquet was the defending champion, after having won the 2017 Klagenfurt Open, but lost matches to Kim Laaksonen and Maksim Dudanets in the double elimination round.

[4] The event saw a total of 193 players compete, in a double-elimination knockout tournament, until the last 32 stage; where the tournament was contested as single elimination.