• Major League Baseball players by national origin (52 C, 1 P)

*

• Expatriate baseball players by nationality (25 C)

+

• Women baseball players by nationality (4 C)

A

• Afghan baseball players (1 C, 1 P)
• American baseball players (17 C, 34 P)
• Argentine baseball players (1 P)
• Aruban baseball players (3 C)
• Australian baseball players (7 C, 34 P)

B

• Bahamian baseball players (2 C)
• Belgian baseball players (1 C, 1 P)
• Brazilian baseball players (2 C, 4 P)
• British baseball players (5 C)

C

• Canadian baseball players (8 C, 99 P)
• Chinese baseball players (5 C, 46 P)
• Colombian baseball players (2 C)
• Cuban baseball players (9 C, 195 P)
• Negro league baseball players from Cuba (100 P)
• Curaçao baseball players (3 C, 25 P)
• Czech baseball players (1 C, 1 P)
• Czechoslovak baseball players (2 P)

D

• Danish baseball players (1 C)
• Negro league baseball players from the Dominican Republic (6 P)
• Dominican Republic baseball players (6 C, 36 P)
• Dutch Antillean baseball players (1 C, 1 P)
• Dutch baseball players (19 C, 44 P)

E

• English baseball players (1 C, 65 P)
• Estonian baseball players (1 P)

F

• Filipino baseball players (1 C, 5 P)
• Finnish baseball players (1 C, 2 P)
• French baseball players (1 C, 4 P)

G

• German baseball players (2 C, 1 P)
• Greek baseball players (1 C, 21 P)
• Guamanian baseball players (2 P)

H

• Haitian baseball players (3 P)
• Hong Kong baseball players (1 C, 1 P)

I

• Indian baseball players (1 C, 2 P)
• Irish baseball players (1 C, 45 P)
• Israeli baseball players (1 C, 32 P)
• Italian baseball players (5 C, 22 P)

J

• Jamaican baseball players (1 C, 2 P)
• Japanese baseball players (7 C, 1,283 P)

L

• Latvian baseball players (1 C)
• Lithuanian baseball players (1 C, 1 P)

M

• Mexican baseball players (7 C, 13 P)

N

• New Zealand baseball players (1 C, 2 P)
• Nicaraguan baseball players (3 C, 3 P)
• Nigerian baseball players (2 P)
• North Korean baseball players (1 P)
• Norwegian baseball players (1 C)

P

• Pakistani baseball players (4 P)
• Negro league baseball players from Panama (8 P)
• Panamanian baseball players (4 C, 16 P)
• Polish baseball players (1 C, 3 P)
• Portuguese baseball players (1 C)
• Negro League Baseball players from Puerto Rico (23 P)
• Puerto Rican baseball players (5 C, 44 P)

R

• Russian baseball players (1 C, 8 P)

S

• Salvadoran baseball players (1 P)
• Scottish baseball players (1 C, 19 P)
• South African baseball players (3 C, 9 P)
• South Korean baseball players (5 C, 284 P)
• Spanish baseball players (2 C, 21 P)
• Swedish baseball players (1 C)
• Swiss baseball players (1 C, 1 P)

T

• Taiwanese baseball players (5 C, 57 P)
• Thai baseball players (1 P)

V

• Venezuelan baseball players (5 C, 27 P)

W

• Welsh baseball players (1 C, 2 P)