Sixteen nations competed at the 2017 World Baseball Classic (WBC).
Key
Pool A
Manager Kim In-sik
Coaches Lee Soon-chul, Sun Dong-yol, Song Jin-woo, Kim Pyoung-ho, Kim Kwang-soo, Song Kwon-il
Manager (88) Kuo Tai-yuan
Coaches (5) Wu Fu-lian, (12) Huang Chin-chih, (27) Yeh Chun-chang, (52) Chen Chin-feng, (79) Lee An-hsi, (87) Chen Lien-hung, (91) Chiang Yi-chang
Manager Hensley Meulens
Coaches
Hitting Coach (24) Sidney de Jong, Pitching Coach (28) Bert Blyleven, First Base Coach (34) Wim Martinus, Third Base Coach (44) Ben Thijssen, Bench Coach (25) Andruw Jones, Bullpen Coach (15) Steve Janssen, Bullpen Catcher (66) Chadwick Tromp
Manager Jerry Weinstein
Coaches Tom Gamboa, Andrew Lorraine, Alon Leichman, Pat Doyle, Nate Fish
Pool B
Manager (90) Hiroki Kokubo
Coaches (72) Hiroshi Gondoh, (73) Hiroshi Narahara, (79) Takayuki Ohnishi, (87) Toshihisa Nishi, (80) Atsunori Inaba, (84) Yoshinori Murata
Manager Jon Deeble
Coaches
Manager (7) John McLaren
Coaches (49) Dave Bush, Jimmy Johnson, (78) Luo Weijun, (29) Yi Sheng, Wang Xiaotian, (71) Zhou Wanbi
Manager Carlos Martí
Coaches
Pool C
Manager (11) Jim Leyland
Coaches
(61) Tom Brookens, (38) Jeff Jones, (53) Marcel Lachemann, (9) Tino Martinez, (42) Willie Randolph, (1) Alan Trammell
Manager (12) Ernie Whitt
Coaches (36) Denis Boucher, (8) Greg Hamilton, (34) Tim Leiper, (45) Paul Quantrill, (3) Larry Walker
Ryan Kellogg replaced Adam Loewen, (who was originally named to the team), on 1 March 2017.
Manager (40) Luis Urueta
Coaches Jolbert Cabrera, (5) Jair Fernández, (33) Néder Horta, (44) Walter Miranda, (16) Édgar Rentería, (7) Luis Sierra
Manager Tony Peña
Coaches
Pool D
Manager (9) Edgar González
Coaches (53) Rigoberto Beltrán, (16) Nick Leyva, (37) Bobby Magallanes, (12) Anthony Medrano, (26) Alex Pelaez, (56) José Silva, (34) Fernando Valenzuela
Manager Marco Mazzieri
Coaches
Manager (36) Edwin Rodríguez
Coaches (8) Carlos Baerga, (27) Ricky Bones, (25) Carlos Delgado, (6) Joe Espada, (19) Juan González, (26) José Molina, (50) José Rosado, (22) José Valentín
Manager (13) Omar Vizquel
Coaches (23) Rouglas Odor, (26) Roberto Espinoza, (31) Carlos Subero, (16) Carlos García, (6) Eddie Pérez, (25) Henry Blanco, (35) Jesús Flores, (22) Omar Lopez