Johan Andrés Mojica Palacio (born 21 August 1992) is a Colombian professional footballer who plays as a left-back for La Liga club Mallorca and the Colombia national team.

Mojica began his career in Colombia with second-division side Academia, before joining Llaneros in 2012. He later had loan spells at Deportivo Cali and Rayo Vallecano, before being permanently signed by Rayo in 2014. That same year, he was loaned to Valladolid, where he was included in the 2014–15 Segunda División Team of the Year. In 2017, he joined Girona (initially on loan, later permanent), helping the club earn promotion to La Liga. He subsequently spent a short loan spell at Atalanta in Serie A, before joining Elche—first on loan and later on a three-year deal. In 2022, Mojica signed with Villarreal, and in July 2024 moved to Mallorca.

Mojica made his senior debut for Colombia in March 2015. He represented the side at the 2018 FIFA World Cup in Russia, and was part of the squad that reached the final of the 2024 Copa América, where Colombia finished runners-up to Argentina.

Born in Cali, Mojica began his professional career with Academia F.C. in Bogotá, competing in the Categoría Primera B, Colombia’s second division. He made his first-team debut on 25 June 2011 in a 1–1 home draw against Expreso Rojo, where he impressed with his pace and overlapping runs from the left flank. During his early period with Academia, Mojica was primarily deployed as an attacking full-back and occasionally further up the pitch, frequently creating opportunities through his dribbling and crosses from deep.

In 2012, Mojica transferred to Llaneros F.C., a recently founded second-division club based in Villavicencio. He quickly became one of their standout players, contributing through defensive recovery and offensive overlaps on the left side. His performances in the Categoría Primera B earned attention from several Categoría Primera A clubs, as he displayed both pace and stamina to cover the entire flank.

In January 2013, Mojica signed for Deportivo Cali, joining the first-team setup under manager Leonel Álvarez. He made his Categoría Primera A debut on 30 March 2013 in a 3–0 away win over Itagüí, contributing to attacking transitions while maintaining defensive discipline on the left flank. Mojica’s performances at Cali were noted for his acceleration, ability to beat markers in one-on-one duels, and endurance—attributes that soon attracted the attention of European scouts.

By mid-2013, Mojica’s form in the Colombian top flight led to an opportunity to move abroad. On 5 July 2013, he joined Rayo Vallecano in Spain’s La Liga on loan, marking the beginning of his European career.

Mojica moved from Colombia to Spanish side Rayo Vallecano in July 2013 on a season-long loan. He made his La Liga debut on 15 September 2013, coming on as a substitute in a 5–0 away defeat to Málaga. After the campaign, Rayo signed him permanently in July 2014 but immediately loaned him to second-division side Real Valladolid for more playing time.