"Heart Beat" is a song by Japanese singer-songwriter Miliyah Kato from her sixth studio album, True Lovers (2012).

The song was written by Kato and Manaboon, with the two handling production alongside Taku Takahashi and Mitsunori Ikeda.

Kato also performed at KOKO in London, the United Kingdom, as a special guest for the dance competition sponsored by Coca-Cola, "My Beat Contest".

[8] On 30 July 2012, Kato gave her first overseas performance at KOKO in London as a special guest for the dance competition sponsored by Coca-Cola, "My Beat Contest".

On 28 October 2012, Kato performed "Heart Beat" on Music Lovers, where the singer talked with another guest Naomi Watanabe.

The version was first performed at KOKO in London, the United Kingdom on 30 July 2012 as a special guest for the dance competition sponsored by Coca-Cola, "My Beat Contest".

"Heart Beat" was covered by Japanese virtual YouTuber, Ai Kizuna for Kato's tribute album, Inspire (2020).