Juan Carlos Segura Just (born April 25, 1960) is a Spanish politician, lawyer, public commentator and author.

Segura also served as a reservist in the land component of the Spanish army and was a member of the Barcelona Defense Delegation.

[3] In addition to his political and legal work, Segura has also authored military and history books including Black Book of Independence, Hispanics and Spaniards in the American Civil War and Soldiers of Four Legs.

Segura acknowledged taking part in the demonstration and being condemned to 1 year of prison, but denied being a member of the organization.

[8] In March 2020, he was appointed to the Congress of Deputies to replace Ignacio Garriga who had resigned to take up his seat in the Catalan Parliament.