2018 Little League World Series
Catalunya Little League
Barcelona
| Santiago Cuesta (Coach) | Marc Juaneda (Coach) |
| Oscar Roman (Manager) | Denis Alvarez |
| Javier Arroyo | Toni Cortes |
| Zachary Freer | Joel Gomez |
| Lucas Iriarte | Jesus Lander |
| Rafael Lopez | Jan Massana |
| Jostine Montas | Izan Rocamora |
| Juan Salazar | Ronald Vizcaino |
Coeur d'Alene Little League
Coeur d'Alene, Idaho
| Manuel Azevedo (Coach) | Steve Saunders (Coach) |
| Sean Cherry (Manager) | Avrey Cherry |
| Nolan Christ | Alexander Currie |
| Jake Dannenberg | Austin DeBoer |
| Cooper Erickson | Braeden Newby |
| Christopher Reynolds | Chase Saunders |
| Karl Schwarzer | Kyle Seman |
| Cooper Smith | Caden Symons |
Coventry Little League
Coventry, Rhode Island
| Rob Turner (Coach) | John Fretts (Coach) |
| Lou Simon (Manager) | Anthony Colucci |
| Kody Fretts | Sammy Fuentes |
| Logan Lama | Nolan LaPerche |
| Paulie Manfredo | Jake Mather |
| Noah McParlin | Dylan Mourao |
| Will Owens | Tyler Simon |
| Tommy Turner | Aiden Wilkins |
Gold Coast Baseball Association Little League
Queensland
| Beau Hyde (Coach) | Brent Iddon (Manager) |
| Mitchell Anderson | William Baker |
| Jake Calver | Thomas Calvert |
| Jett Grimmond | Oscar Hyde |
| Ty Iddon | Fynn Komulainen |
| Benjamin Mathews | Tyler Salmon-Patrick |
| Jake Scott | Zach Smith |
| Matthew White |
Grandview Little League
Des Moines, Iowa
| Josh Stewart (Coach) | Danny Watson (Coach) |
| Matt Kunert (Manager) | Ayden Bennett |
| Cade Byers | Deshawn Childers |
| Connor Duong | Jace Embry |
| Matthew McCrea Jr. | Kobe Kunert |
| Blake Larson | Maddox O'Connor |
| Gage Schutjer | Brayden Shutt |
| Alex Stewart | Trenton Tharp |
| Brody Watson |
Grosse Pointe Woods-Shores Little League
Grosse Pointe Woods, Michigan
| Reggie Sharpe (Coach) | Melissa Henderson (Coach) |
| Kurt Barr (Manager) | Preston Barr |
| Ryan Henderson | Brennan Hill |
| Ryan Knaebel | Jake Martin |
| Marwynn Matthews | Chase Mazey |
| Elliott Nederhood | Jarren Purify |
| Cameron Schafer | JJ Schoeck |
| Oliver Service | Reggie Sharpe |
Honolulu Little League
Honolulu, Hawaii
| Willis Kato (Coach) | Keith Oda (Coach) |
| Gerald Oda (Manager) | Bruce Boucher |
| Kory Chu | Tanner Chun |
| John De la Cruz | Ka'olu Holt |
| Aukai Kea | Mana Lau Kong |
| Chandler Murray | Hunter Nishina |
| Taylin Oana | Caleb Okada |
| Jace Souza | Zachary Won |
| Sean Yamaguchi |
Kawaguchi Little League
Kawaguchi
| Tadashi Ebihara (Coach) | Masatoshi Itabashi (Coach) |
| Hiroyuki Takahashi (Manager) | Soya Ebihara |
| Shisei Fujimoto | Shinji Furusawa |
| Masato Igarashi | Masaumi Ikeuchi |
| Yuya Ito | Shinsuke Muranishi |
| Eisaku Nakajima | Takumi Nakata |
| Kai Nogami | Yuta Shimizu |
| Kenji Takada | Daiki Tanaka |
| Yudai Yuasa |
Matamoros Little League
Tamaulipas
| Javier Machucha (Coach) | Victor Salazar (Coach) |
| Ismael Lozano (Manager) | Fernando Altamirano |
| Issak Arias | Emilio Cano |
| Saul Cortez | Carlos Garza |
| Alberto Gomez | Fernando Lopez |
| Angel Martinez | Axel Morales |
| Gael Ponce | Remigio Quintanilla |
| Paolo Salazar | Erick Serrano |
Mid Island Little League
Staten Island, New York
| Anthony Ferrante (Coach) | Al Bedford (Coach) |
| Joe Calabrese (Manager) | Chris Bedford |
| Gregory Bruno | John Calabrese |
| Chris Cancel | Logan Castellano |
| Robert Cavalieri | Jayson Hannah |
| Steven Martinez | Derek Mendez |
| Thomas Puglisi | Frank Scerra |
Peachtree City American Little League
Peachtree City, Georgia
| Randy Clem (Coach) | Kyle Ryan (Coach) |
| Patrick Gloriod (Manager) | Tyler Beck |
| Charlie Clem | Will Clem |
| Chase Fralick | James Hooper |
| Jansen Kenty | Wills Maginnis |
| Cole Manetti | Cayden Olvey |
| Tai Peete | Connor Riggs-Soper |
| Jack Ryan | Ben Traxler |
| Bo Walker |
Post Oak Little League
Houston, Texas
| David Wylie (Coach) | John Klosek (Coach) |
| David Rook (Manager) | Parrish Facciponte |
| Ethan Goldstein | Andy Guy |
| Matthew Hedrick | Richie Klosek |
| George Kugle | Justin Michaelis |
| Carter Pitts | Kaleb Rook |
| Ryan Selvaggi | Andrew Stover |
| Cade West | Charlie Wylie |
Radames Lopez Little League
Guayama
| Luis Ortiz (Coach) | Alberto Moret (Coach) |
| Carlos Texidor (Manager) | Victor Cartagena |
| Yadiel Delgado | Luis Diaz |
| Leonel Gomez | Carlos De Jesus |
| Roberto Joubert | John Lopez |
| Devin Ortiz | Luis A. Rivera |
| Gabriel Rivera | Luis D. Rivera |
| Eric Rodriguez | Homircal Rodriguez |
| Angel Vazquez |
South Seoul Little League
Seoul
| Cho Kyo Soo (Coach) | Kim Moon Sang (Coach) |
| Ji Hee Su (Manager) | Soo Hoo Choi |
| Ji Hyung Choi | Ho Hyeon Eom |
| Ji Hong Jeon | Yeong Hyeon Kim |
| Ye Jun Kim | Tae Hyun Kim |
| Han Kyeol Kim | Gi Jeong Kim |
| Woo Hyeon Lee | Jae Hyeok Lee |
| Jun Woo Lim | Jae Woo Myoung |
| Jeong Hyeon Park |
Vacamonte Little League
Arraijan
| Rolando Rodriguez (Coach) | Osvaldo Castillo (Coach) |
| Elpidio Pinto (Manager) | Carlos Arcia |
| Ali Brown | Marc Campbell |
| Oliver Gonzalez | Hector Gutierrez |
| Arod McKenzie | Rolando Rodriguez |
| Jean Rodriguez | Adan Sanchez |
| Cristhian Serrano | Luis Valdes |
| Francisco Villalba | Brian Villarreal |
| Adam Villarreal |