Elih Christopher Villanueva (born July 26, 1986) is an American professional baseball pitcher and pitching coach who is a free agent.

[1] He has also played in the Chinese Professional Baseball League (CPBL) for the Chinatrust Brothers and Rakuten Monkeys.

Villanueva was a 2004 graduate of Westminster Academy in Ft. Lauderdale, Florida where he posted a 1.15 ERA to go along with a 10–3 record on his way to earning second team All-State honors as a senior.

He helped Miami Dade win the Southern Conference championship as he posted a 0.81 ERA striking out 109 batters in 89 innings of work.

He spent the season with the Double-A Bowie Baysox and Triple-A Norfolk Tides before electing free agency on November 6, 2015.

[9] In 14 games (12 starts) for the Double–A Portland Sea Dogs, Villanueva registered a 5–5 record and 7.85 ERA with 48 strikeouts in 57+1⁄3 innings of work.

[10] On March 30, 2018, Villanueva signed with the Chinatrust Brothers of the Chinese Professional Baseball League as a foreign backup pitcher.

He will pitch for the club's farm team and can only be promoted if one of the other three foreign pitchers on the active roster is released.

[12] On September 28, 2018, Villanueva pitched a no-hitter against the Lamigo Monkeys, becoming the 9th player in the history of the league to accomplish the feat, and the second one that season.

On April 5, 2021, Villanueva signed with the West Virginia Power of the Atlantic League of Professional Baseball.

On August 7, 2021, Villanueva re-signed with the West Virginia Power of the Atlantic League of Professional Baseball.

On February 28, 2022, Villanueva signed with the Wild Health Genomes of the Atlantic League of Professional Baseball.

On February 17, 2023, Villanueva signed with the Spire City Ghost Hounds of the Atlantic League of Professional Baseball to serve as a player/coach for the 2023 season.