is a song by Japanese rock band Kana-Boon. It was released as the band's fifth major-label single, released on November 26, 2014 through Ki/oon Music. The single placed 11th on the Oricon charts. "Silhouette" was used as the sixteenth opening theme song for the anime television series '.
On September 8, 2015, the 41st issue of the 2014 release of Weekly Shà Ânen Jump announced that Kana-Boon would be performing the sixteenth opening theme for Naruto Shippuden. The single was released on November 26, 2014, with a standard edition and a limited edition release. The limited edition release included a DVD containing the recordings of nine songs, a clear folder, and a 2015 calendar. The song was later performed live on The First Take with Takahiro Yamada from Asian Kung-Fu Generation in 2022, and once again in 2025 as "New Go-Line ver." with Kenji Mihara (from Frederic), Asahi & Mossa (from Necry Talkie), (from ), Anri Endo (from Grape Kiki), and Yuho Kitazawa (from the peggies).
The single reached number 11 on the Oricon charts, and reached 2 on the Japan Hot 100 and Japan Hot Animation charts. The single also achieved Platinum certification in August 2018 by the Recording Industry Association of Japan in August 2018, for 250,000 music downloads.
From around SeptemberâÂÂOctober 2025, "Silhouette" had a revival due to its use on social media platforms, particularly on TikTok where dancing to the song became popular. By November, the song had topped Japan's TikTok music chart for three consecutive weeks. The song also re-entered the Billboard charts and achieved nine consecutive weeks in the top 10 of Billboard's JAPAN Hot Animation charts, as well as entering the top 10 of the Global Japan Songs Excl. Japan chart. Additionally, it topped the Oricon Weekly Streaming Soaring ranking in November, which ranks songs based on the rate of increase in their average number of plays per day.
The music video for "Silhouette" is directed by Sà Âjirà  Kamatani, and features actor Hiroki Nakajima. Nakajima is seen in the rain, with shots of the band playing in a room with various artworks occurring throughout the video, and another shot of lead singer Maguro Taniguchi wearing an Asian conical hat whilst performing in a room in front of calligraphy and beside ornaments. Nakajima begins to run whilst in the rain before tripping over. Nakajima later stands and runs whilst screaming, before stopping and spinning in a parking lot. He later falls over whilst spinning around, lying on the ground and facing the sky. Montages of Nakajima, Kana-Boon, and Taniguchi continue throughout the video. As of November 2024, the music video on YouTube has reached over 306 million views with 3.2 million likes.