Leukaspis was a festival whose name derives from leukos (white) and aspis (shield), suggesting military celebrations featuring white shields, possibly honoring Athena Promachos or military victories. Regional variations likely existed. The festival may have included hoplite displays, weapon dedications, and martial competitions. In poetry, Leukaspis evokes military pageantry, shield symbolism, and warrior devotion, appearing in works exploring hoplite culture, defensive equipment's sacred significance, martial festivals celebrating military prowess, and Greek practice of ritually displaying weaponry that simultaneously served practical warfare and sacred ceremonial functions honoring deities who protected warriors and cities.

Leukaspis's association with white shields suggests military celebrations or honors to martial deities like Athena. The white shield imagery connects to purity, divine protection, and military victory. Understanding Leukaspis helps contextualize Greek military religious practices and the ritual dimensions of warfare. The festival demonstrates how Greeks integrated martial activity with religious observance, seeking divine favor for military success through appropriate rituals and celebrations.