Baja California

Baja California is a Smash region that consists of the Mexican states Baja California and Baja California Sur. The region encompasses Tijuana and its metropolitan area, which is where the majority of tournament activity takes place. The region borders Southern California to the north; due to its close proximity, there is often overlap between the two regions, and players from Baja California have made appearances on the SoCal Power Rankings. Baja California also borders Sonora to its east.

Baja California has historically seen a few notable players, including and  for Smash 64,  for Melee, and  for Brawl. However, the region's representation has seen even more representation during Ultimate's competitive lifespan, with several of Mexico's best players coming from the region, including, , and. Most notable among these players is, widely considered to be one of the best Ultimate players in the post-online metagame.

Baja California also features several notable tournament series, including Tijuana At War and Smash Revolution.

Globally ranked players
The following players were ranked on the 2021-2022 Smash 64 Power Rankings. The following players have been ranked globally in the past; their highest placement is listed:
 * (Baja California): 6th on the 2016 64 League Rankings.
 * (Baja California): 40th on the 2019-2020 Smash 64 Power Rankings.

Globally ranked players
The following players were ranked on the SSBMRank 2022. The following players have been ranked globally in the past; their highest placement is listed:
 * (Baja California): 39th on the Summer 2019 MPGR.

Nationally ranked players
The following players have been ranked nationally in the past; their highest placement is listed:
 * (Baja California): 34th on the PRMX 2017.

Notable players
The following players have been ranked globally in the past; their highest placement is listed:
 * (Baja California): The best Fox player in North America. 4th on the 2008 RetroSSBBRank.

Nationally ranked players
The following players were ranked on the MXR v2. The following players have been ranked nationally in the past; their highest placement is listed:
 * (Baja California): 30th on the MXR v1.
 * (Baja California): 21st on the MXR v1.
 * (Baja California): 11th on the rankings dated November 26th, 2015.

Globally ranked players
The following players were ranked on the LumiRank Mid-Year 2023

The following players were ranked on the UltRank 2022 and/or the OrionRank 2022.

Nationally ranked players
The following players have been ranked in North America in the past; their highest placement is listed:
 * (Baja California): 184th on the OrionRank North America Top 200.

The following players were ranked on the Mexican Power Rankings for January-June 2023. The following players have been ranked in Mexico in the past; their highest placement is listed:
 * (Baja California): HM in 2020/2021.
 * (Baja California): 45th in 2020/2021.
 * (Baja California): 25th in 2020/2021.
 * (Baja California): 23rd in 2020/2021.
 * (Baja California): 32nd in 2020/2021.
 * (Baja California): 41st in 2020/2021.
 * (Baja California): 29th in 2020/2021.