Tatsumi (Akame ga Kill!) assasinated Ogre with a broadsword.
Ayato Amagiri (The Asterisk War) apply his family's Amagiri Shinmei ryu into broadsword type Lux.
Skull Knight (Berserk)
Guts and Nosferatu Zodd (Berserk) are some of the greatest wielders of giant broadswords. With Guts being one of the few humans to survive a fight with the God of the Battlefield and Zodd being able to annihilate whole armies of soldiers.
Licht (Black Clover)
Asta (Black Clover)
Whether its defensive or offensive, Claymores (Claymore) are all-powerful and highly skilled masters of their individual styles of swordsmanship with their signature claymore broadswords...
...said to be the strongest Claymore to ever have existed, Teresa of the Faint Smile could easily kill and completely slaughter the strongest and craftest of Yoma..
...even Awakened Beings called her a monster...
…due to the fact she was very strong, Priscilla could fight hordes of Yoma with her Yoki completely suppressed…
…Ophelia's technique Rippling Sword vibrates her arm so fast it appears motionless…
Seiya Ryuguin (Cautious Hero: The Hero is Overpowered but Overly Cautious)
Tohka Yatogami (Date A Live) is highly skilled with her Broadsword type, Angel Sandalphon.
Veronica Lautreamont (Dragonar Academy) is a master swordswoman with a giant broadsword, having not only been powerful enough to kill an entire army but also precise enough to cut Silvia's clothing without hurting her.
Future Trunks (Dragon Ball Z) is able to wield his sword with effective finesse and speed, allowing him to take down nearly all of Frieza's soldiers and even ultimately kill Frieza himself.
Dabura (Dragon Ball Z) possesses incredible prowess in swordsmanship, able to use his Darkness Sword to force even Son Gohan on the defensive for a time.
With his Dimension Sword, Janemba (Dragon Ball Z: Fusion Reborn) is able to channel his reality warping powers through it...
..., allowing him to slice through absolutely anything.
Minervamon (Digimon) wields the Great sword Olympia with superhuman strength.
VictoryGreymon (Digimon) relied on unique swordsmanship with his great sword Dramon Breaker.
Mervamon (Digimon) wield the Olympic Kai Great Sword with refined dance like elegance compared to Minervamon.
Imperialdramon Paladin Mode (Digimon) is the strongest of the Royal Knights who wields the Omega Blade.
Emperorgreymon (Digimon) is the transcendental warrior of fire with its Ryugonken broadsword, channeling powers from leylines to empower his swordsmanship
AncientGarurumon (Digimon) wields the Sharpness Claymore.
As displayed by his Ama no Murakumo, Admiral Kizaru (One Piece) is extremely proficient in swordsmanship battling legendary figures such as Silvers Rayleigh, a master and powerful swordsman himself,…
…and his former mentor, Zephyr/Z to a standstill.
A legendary warrior and powerful master swordsman, Kyros (One Piece) won over 3,000 matches of the Corrida Coliseum with only a broadsword.
Thousand Arms, Charlotte Cracker (One Piece) is extremely skilled in wielding his huge broadsword sword Pretzel.
Charlotte Smoothie (One Piece)
Known to have an inhuman level of skill in swordsmanship, King Bradley (Fullmetal Alchemist) was the greatest swordsman in Amestris,…
…being able to wield up to five swords simultaneously while fighting an overwhelming his older sibling Greed, despite the homunculus having over a century of combat experience…
…and shows off his inhuman speed, as he instantly kills Isaac McDougal…
Acknowledged by various masters of swordsmanship and swordplay as the one of, if not, the greatest swordsman in the world, Dane Whitman/the Black Knight (Marvel Comics) wields the Ebony Blade the cursed magical broadsword of his family with the finesse of a master.
Tony Masters/Taskmaster (Marvel Comics)
He-Man (Masters of the Universe)
Finn the Human (Adventure Time)
Michael Lane/Azrael (DC Comics) dual-wielding the Sword of Salvation and the Sword of Sin.