Human

Human beings in this series and most are either defensless or protected. Every supernatural creature, Vampire or otherwise, including Alucard and Seras Victoria, started out as humans.

Normal Human Beings
Human beings are average people with skills or not.

Human kind is the predominant race on earth. The overall plot revolves around protecting them from the forces of the occult, and hiding the truth from them. Humanity also holds the distinction of being the strongest of the races (according to Alucard) due mostly to their battle with mortality.

Abitlites
Indomitable Will

All humans have indomitable will, according to Alucard, Humans are the strongest race due to their will. Human beings are entirely devoid of immortalilty and supernatural powers, yet they continue on existing and don't give up.

Most Notable
Sir Integra Fairbrook Windgate hellsing

Walter C. Dornez (Before becoming a vampire)

Pip Bernadotte (Before a Familiar)

Enrico Maxwell

Heinkel Wolfe (before a Regenerator)

Yumiko/Yumie Takagi

Renaldo

M'quive

The Doctor

Everyone else and every single character with the notable exception of Schrödinger is either a human or started out as one.

Regenerators
Cybernectically Bio tech enigneered humans by Iscariot wihch tecnhically makes them Similiar to Cyborgs but with only nano bots helping them heal.They are almost at equal with the vampires the most notable are Alexander Anderson(Before using helena's Nail) and possibly Heinkel wolfe.They are technically like Cyborgs.

Ablities
Indomitable Will

Regenerators are still human and they have the will of humans.

Bio-techinical Regeneration

Humans with regeneration can reform lost flesh/body parts to some extent. Though, Anderson was shown almost losing his arm, thus it is not on the same level as a vampire's

Superhuman Strength and Speed

Regenerators seem to have super strength and speed. As Anderson was shown to attack Alucard with his fists. Anderson was also shown to have extreme speed and aglity.

Enhanced Healing

A regenerator also has a healing from sickness

 Elongated Life-span 

Anderson and Heinkel have not aged due to their regenerative powers

Enhanced Durability 

A regenerator seems to survive more punishment than regular humans.

Notable Regenerators
Alexander Anderson

Heinkel Wolfe

Cyborgs
Half Human and Half Machine Cyborgs are not to be confused with androids, Cyborgs are humans with mechcanical parts and also has a life span.Although Cyborgs sometimes ave ariftical parts, nanotech is apart of cyborg parts humans used this to regenerate body part and heal wounds they are called Regenerators they are somewhat of a cyborg due them have enachments and nanotechs.

the only two Regenerators are Alexander Anderson and Heinkel Wolfe

Abilities
Indomitable Will

A cyborg is still human they have the same will as humans.Regenerators as well.

Bio-techinical Regeneration

Humans(or some Cyborgs) with regeneration can reform lost flesh/body parts to some extent. Though, Anderson was shown almost losing his arm, thus it is not on the same level as a vampire's

Superhuman Strength and Speed

Regenerators seem to have super strength and speed, as Anderson was shown to attack Alucard with his fists. Anderson was also shown to have extreme speed and aglity.

Enhanced Healing

A regenerator also has a healing from sickness

Elongated Life-span

One of the main reasons to being a Cyborg is to have a life span The Major despite being in his 80's since 1944 has not aged.Regenerators due to there healing it causes them to never age as Anderson and Heinkel haven't age.

Enhanced Durablity

A cyborg body is far more enept at taking punishment to the body than normal humans. At the end Major survived taking a blast from a cannon that would have killed a normal human. As a Cyborg's brain is still human.Regenerators also show some durability due to their Healings.

Notable Cyborgs
The Major

Alexander Anderson (Regenerator,before using Helena's Nail)

Heinkel Wolfe(Regenerator)