Jessie Khing de Guzman Lacuna (/ləˈkjuːnə/ lə-KEW-nə; born December 23, 1993) is a Filipino former competitive swimmer who competed in the freestyle and butterfly events.

[2] In 2001, Lacuna had his first national competition at the age of 8 that, winning a gold medal in the 100 meter freestyle event.

[2] Nevertheless, at the 3rd Batang Pinoy National Championship in Bacolod, lacuna upshots only one silver medal at the event.

[2] Consequently, he gains a silver and bronze at 4th Batang Pinoy in Puerto Princesa, Palawan competition.

He joins as his first entry in Philippine Olympic Festival competitions represented in Bulacan which were held at Vigan, Ilocos Sur in 2007.

[2] The Philippine Olympic Festival in 2008 held in Olongapo City, lacuna obtained 13 gold same in the former game event.

[2] At 49th Palarong Pambansa, lacuna adds two gold, two silvers and bronze in 2006 held in Naga City.

[10] In 400 LC Meter Medley Relay, Lacuna grouped Gerard Gelanga, Gene Ryan Ebue and Fritz Marnold Agapay who are at 4th where 5:12.43 in final time.

[2] In his second event to compete in Palarong Pambansa 2007 at Koronadal City, Cotabato, he picks up only 3 bronze.

[21] In 14th FINA World Championship in Shanghai, China in 2011, Lacuna however only hits heats qualifier wherein he did not advance at the competition.

[24] On July 29, 2012, at the London Aquatics Centre, Lacuna raced in heat 2 where he opposed Matias Koski (Finland), Radovan Siljevski (Serbia), Mario Montoya (Costa Rica), Sebastian Jahnsen Madico (Peru) and Raúl Martínez Colomer (Puerto Rico).

[28] Nevertheless, at the heat's results, Lacuna made ranked 36 that clocked 1:54.23 with difference at +3.07 where he swim short course racing at lane 6.

[28] Underway, he is flawless over rank 2 at 150 meters timed at 1 minute and 22.67 seconds with a split of 28.85 where he countered Peru in the chase.

[30] In contrast, lacuna's coach, Pinky Brosas stated that he was speedy at 100 meters but race inconsistent at the rest meters,[31] coach Brosas adds through Lacuna's excitement and adrenaline-rush was his grounds to speed on the first half,[29] although, he was in the mark of his presentation to learn the consequence.

[41] His 5 feet 6 inches (168 cm) height offers propulsive row reference to a long, thin torso.