Alex Cook (born 2 May 1973) is a retired Australian mixed martial artist.
Cook is a veteran of the Shooto and Pancrase organizations, making his debut in 1994 to a loss to Manabu Yamada at . After frequent losses to Ken Shamrock and Masakatsu Funaki, Cook would later jump to Shooto with fellow Australian fighter and trainer Larry Papadopoulos with better success such as a win over Jutaro Nakao. He compiled a 4-2 record during his time in Shooto and would later depart the organization in 2000.
|- | Win | align=center| 6-5 | Alessandro Custodio | TKO (submission to punches) | SRF 12: Spartan Reality Fight 12 | | align=center| 2 | align=center| 1:00 | Gold Coast, Australia | |- | Win | align=center| 5-5 | Ray Cooper | Submission (neck crank) | | | align=center| 1 | align=center| 1:44 | Urayasu, Chiba, Japan | |- | Win | align=center| 4-5 | Isao Tanimura | KO (punches) | | | align=center| 1 | align=center| 1:27 | Tokyo, Japan | |- | Loss | align=center| 3-5 | Tetsuji Kato | Decision (unanimous) | | | align=center| 3 | align=center| 5:00 | Tokyo, Japan | |- | Loss | align=center| 3-4 | Hayato Sakurai | Submission (rear naked choke) | | | align=center| 1 | align=center| 1:09 | Tokyo, Japan | |- | Win | align=center| 3-3 | Jutaro Nakao | Submission (rear-naked choke) | | | align=center| 2 | align=center| 1:50 | Tokyo, Japan | |- | Win | align=center| 2-3 | Tomoaki Hayama | Technical Submission (arm-triangle choke) | | | align=center| 2 | align=center| 6:23 | Tokyo, Japan |<small>Welterweight.</small> |- | Loss | align=center| 1-3 | Masakatsu Funaki | Submission (heel hook) | | | align=center| 1 | align=center| 7:14 | Tokyo, Japan | |- | Win | align=center| 1-2 | Katsuomi Inagaki | Submission (heel hook) | | | align=center| 1 | align=center| 9:23 | Yokohama, Kanagawa, Japan | |- | Loss | align=center| 0-2 | Ken Shamrock | Submission (heel hook) | King of Pancrase tournament opening round | | align=center| 1 | align=center| 1:31 | Tokyo, Japan | |- | Loss | align=center| 0-1 | Manabu Yamada | Submission (armbar) | | | align=center| 1 | align=center| 2:27 | Tokyo, Japan |