Zenkaikon

Zenkaikon is a volunteer-run convention in Lancaster, Pennsylvania, organized by Zenkaikon Entertainment Inc., an educational non-profit. The next edition is set for March 18–21, 2027 at the Lancaster County Convention Center on South Queen Street.

General memberships for 2027 start at $60 and step up to $80 at the door; youth memberships run $35 to $55, and children 9 and under get in free with a paying adult. Cosplay events include a Masquerade and a Hall Cosplay Contest.

All props are inspected. Metal blades, metal gun props and projectile weapons, including operable Nerf and water guns, are banned, and props cannot exceed six feet in any direction. Prop firearms need a permanent orange tip and no moving parts.