Dailis Caballero Vega (born March 6, 1988) is a Cuban-born American track and field athlete who competes in the pole vault.

Born in Havana,[2] Caballero began competing in the pole vault as a teenager and cleared four metres for the first time in 2007.

[3] At the Barrientos Memorial in 2009 she established herself nationally by finishing as runner-up to Yarisley Silva with a best of 4.30 m.[4] The pair repeated that placing at the 2009 Central American and Caribbean Championships in Athletics in Havana, bringing Caballero a silver medal on her international debut.

[3] She repeated her win at the Barrientos meet in 2011,[7] but she then failed to clear a height at the 2011 CAC Championships.

[3] Outdoors she cleared 4.40 m in May and headed to Barquisimeto for the 2012 Ibero-American Championships in Athletics the month after to take her first international gold medal with a vault of 4.50 m.[10] She was selected to compete for Cuba at the 2012 Summer Olympics alongside fellow vaulter Yarisley Silva.