Chō Tokimeki Sendenbu (超ときめき♡宣伝部, lit. "Super Heartbeat Publicity Club") is a Japanese idol girl group, belonging to Section 3 of the talent agency Stardust Promotion, and its abbreviation is "Tokisen (とき宣)". Along with Momoiro Clover Z (ももいろクローバーZ), Shiritsu Ebisu Chugaku (私立恵比寿中学) and other groups in Stardust Promotion, they are part of a section in the company called "STARDUST PLANET.”

The group was formed as "Tokimeki♡Sendenbu" (ときめき♡宣伝部) on April 11, 2015, and changed its name to "Chō Tokimeki Sendenbu" on April 1, 2020. Currently, the group has 6 members.

Their Fans are called "sendenbuin" (宣伝部員) or "publicity club members", and the color of "sendenbuin" is orange. The group’s official character was created on November 20, 2018, with its name, "Publin" (パブりん), having been chosen from suggestions sent in by the public.