Below are the team squads for the Baseball at the 2004 Summer Olympics which took place in the Helliniko Olympic Complex, from August 15 to August 25.
The club listed is the club the player was with in .
Manager: 24 – Jon Deeble.
Coaches: 2 – Tony Harris, 33 – Paul Elliott, 34 – Philip Dale.
Manager: 12 – Ernie Whitt
Coaches: 42 – Denis Boucher, 7 – Marty Lehn, 10 – Greg Hamilton, 21 – Tim Leiper.
Manager: 85 – Hsu Sheng Ming (Chinatrust Whales).
Coaches: 29 – Lee Lai-Fa(National Training Team), 4 – Lin I-Tseng (Brother Elephants), 80 – Mitsujiro Sakai, 81 – Yang Shien-Ming (Fubon Bull).
Manager: 39 – Higinio Vélez
Coach: 22 – Carlos Pérez Cepero, 30 – Pedro José Delgado Pérez, 34 – José Sánchez Elosegui, 41 – Francisco Laza Escaurrido Chapelle
Manager: 27 – Jack Rhodes.
Coaches: 1 – Mike Riskas, 14 – Ioannis Kazanas, 42 – Scott Demtral.
Manager: 30 – Giampiero Faraone.
Coaches: 8 – Claudio Corradi, 12 – Manuel Cortina, 27 – Salvatore Varriale.
Manager: 33 – Kiyoshi Nakahata.
Coaches: 31 – Yutaka Takagi, 32 – Yutaka Ohno.
Manager: 6 – Robert Eenhoorn.
Coaches: 17 – Eric de Bruin, 30 – Davey Johnson, 32 – Hensley Meulens.