David Vega Hernández (; born 23 June 1994) is a Spanish professional tennis player. He has a career-high ATP doubles ranking of world No. 28 achieved on 21 July 2014. He also has a career high ATP singles ranking of No. 403 achieved on 13 February 2023. Hernández has won five ATP Tour doubles titles. He competes mainly on the ATP Challenger Tour where he has won 13 doubles titles.
Vega Hernández made his ATP main draw debut at the 2015 Estoril Open in the singles draw, entering as a lucky loser.
Hernández won his first ATP doubles title at the 2021 Croatia Open Umag partnering Fernando Romboli defeating top seeds Tomislav Brkiàfrom Bosnia and Herzegovina and Nikola ÃÂaÃÂiàfrom Serbia. As a result, he made his top 100 debut on 26 July 2021 at World No. 98.
In April, Vega Hernández won his second ATP 250 doubles title at the 2022 Grand Prix Hassan II alongside new partner Rafael Matos.
At the 2022 BMW Open he reached his second final with Matos and third overall. At the 2022 French Open on his Grand Slam debut the pair reached the third round with a win over à Âukasz Kubot and ÃÂdouard Roger-Vasselin but not before defeating 13th seeded pair of Santiago González and Andrés Molteni. They reached the quarterfinals where they lost to 12th seeded pair of Marcelo Arévalo and Jean-Julien Rojer. As a result, Vega Hernández reached the top 50 in the rankings.
Vega Hernández reached world No. 32 on 31 October 2022 following a fourth title for the season at the 2022 Sofia Open and a final showing at the ATP 500 2022 Rakuten Japan Open Tennis Championships with Matos.
Following the 2023 Australian Open he reached the top 30 on 30 January 2023. He reached the semifinals at the 2023 Córdoba Open with Rafael Matos saving a match point.