10 Best Anime Series About Assassins

Assassin anime captivate us with their blend of stealth, action, and moral complexity. These stories plunge us into worlds of deadly precision, where skilled killers face intense missions and personal conflicts. From gritty thrillers to comedic spins on the assassin life, the genre has something for everyone.

We’ve curated the 10 best anime series about assassins, ranked from 10 to 1, focusing on their impact, popularity, and how they embody the assassin theme. Whether you crave psychological depth or high-octane battles, these shows deliver. Let’s explore what makes each one a must-watch.

10. Gunslinger Girl (2003-2004, 2008)

‘Gunslinger Girl’ centers on young girls saved by Italy’s Social Welfare Agency, transformed into cybernetic assassins. Conditioned to kill, they struggle to retain their humanity.

The series blends cold violence with emotional depth, focusing on their quest for identity. Its haunting tone and tender moments make it a unique assassin story.

9. Phantom: Requiem for the Phantom (2009)

‘Phantom: Requiem for the Phantom’ follows Reiji Azuma, a tourist forced into becoming an assassin for the criminal group Inferno. Paired with the deadly Ein, he fights to reclaim his life.

The show’s dark tone and psychological exploration of manipulation stand out. Its intense action and complex characters keep you glued to the screen.

8. Noir (2001)

‘Noir’ tracks two female assassins, Mireille Bouquet and Kirika Yuumura, operating as the duo Noir. Their search for their shared past leads to dangerous conspiracies.

With stylish visuals and a slow-burn mystery, the series balances action and emotion. It’s a classic for fans of assassin-driven narratives.

7. Spy x Family (2022-2023)

‘Spy x Family’ features Yor Forger, a lethal assassin posing as a mother in a fake family. Her covert missions clash with her attempts to maintain a normal home life.

The series shines with humor, heartfelt family moments, and slick action. Yor’s deadly skills add excitement to this charming, lighthearted story.

6. Hunter x Hunter (1999-2001, 2011-2014)

‘Hunter x Hunter’ showcases the Zoldyck family, a clan of elite assassins led by Silva. Young Killua, raised as a killer, seeks to escape his family’s dark path.

The show’s rich world and deep character arcs make its assassin elements compelling. Killua’s journey and the Zoldycks’ skills keep the tension high.

5. Golgo 13 (2008-2009)

‘Golgo 13’ follows Duke Togo, a stoic hitman known for his unmatched precision with a custom M16 rifle. Each episode dives into his high-stakes global contracts.

The episodic format delivers gritty, realistic assassination tales. Duke’s cold efficiency makes it a top pick for fans of straightforward action.

4. Darker than Black (2007-2009)

‘Darker than Black’ centers on Hei, the Black Reaper, a Contractor with electric powers who carries out assassinations in a dystopian Tokyo.

The series mixes intense action with a mysterious plot. Hei’s abilities and moral conflicts create a captivating blend of intrigue and violence.

3. Akame ga Kill! (2014)

‘Akame ga Kill!’ follows Tatsumi, who joins Night Raid, an assassin group battling a corrupt empire. Led by the skilled Akame, they face brutal fights and tough choices.

The show’s intense battles and emotional character arcs pack a punch. Its raw look at sacrifice and rebellion makes it a standout.

2. Assassination Classroom (2015-2016)

‘Assassination Classroom’ revolves around Class 3-E, tasked with killing their alien teacher, Koro-sensei, who plans to destroy Earth. His mentorship shapes their efforts.

Blending humor, action, and heartfelt lessons, the series shines with creative assassination attempts. Its unique premise and emotional depth make it unforgettable.

1. Sakamoto Days (2025-present)

‘Sakamoto Days’ follows Taro Sakamoto, a retired legendary hitman now running a convenience store. When old enemies target his family, he unleashes his unmatched skills.

The series excels with its action-comedy mix, blending Sakamoto’s over-the-top abilities with heartfelt family moments. Its dynamic fights and humor make it a top assassin anime.

Which assassin anime stole your heart, or did we miss a deadly gem? Share your picks in the comments!