Txema Alonso (full name: José María "Txema" Alonso Fernández) is a retired Spanish professional footballer, born 10 February 1968 in Huarte (Uharte), Navarre, Spain. He was primarily a central defender during his playing career.

• Nationality: Spanish
• Position: Centre back (defender)
• Youth club: CA Osasuna (youth system)
• Senior career highlights:
  • Osasuna B and CA Osasuna (early career)
  • Sporting de Gijón
  • Racing de Santander: Txema Alonso is best known for his time at Racing de Santander, where he became an important defensive figure. He joined Racing in 1997 and remained with the club for several seasons, contributing both in La Liga and Segunda División campaigns.
  • Later spells at lower-division clubs before retiring
• Notable traits: Strong aerial ability, solid marking and leadership at the back; a reliable and experienced centre back for his teams.
• Legacy: Remembered by Racing de Santander supporters as a dependable defender during the late 1990s and early 2000s. His professional career spanned Spain's top two tiers, and he was respected for his consistency and commitment.

Career numbers (approximate): Over the course of his professional career he made several hundred senior appearances across all clubs and competitions, including multiple seasons in La Liga with Racing de Santander and other clubs. Exact season-by-season appearance and goal totals vary by source.

Post-retirement: After retiring from playing, like many former professionals he has kept a lower public profile; details on coaching or other roles are not widely documented.