Gigagryllus is a genus of giant field cricket in the subfamily Gryllinae. Its type and only species is Gigagryllus omayrae.
Etymology.
The species name, "omayrae", is dedicated to Omayra Sánchez, a victim of the Armero tragedy, which occurred in the department of Tolima.
Distribution.
"Gigagryllus omayrae" is found in the middle Magdalena region of Colombia, particularly in the department of Tolima.