Nickname with O
Used as a cute nickname, esp. for Olivia
Common short for Oliver/Olivia
Familiar nickname (e.g., for Oswald/Osborne)
Real given name, often used as a casual nickname.
Common first name, naturally used as a nickname.
Recognized nickname (think TV character Opie)
Popular given name, often used alone as nickname.
Very common first name, works as a friendly nickname.
Real first name, casually used as a short nickname.
Standard given name, used as a simple nickname.
Recognizable name, fine as a friendly nickname.
Spanish for “little bear”, cute affectionate nickname.
Playful, informal nickname for an older person.
Colloquial phrase, used as a casual nickname.
Short, sweet-sounding nickname, often for grandma.
Used as a cute nickname in Spanish for “bear”.
German for grandma, widely used as a family nickname.
Real name, also used solo as a friendly nickname.
Short form of names like Olaf/Olav; common nickname.
German for grandpa, very common family nickname.
Dog in Garfield; used as a playful nickname.
From the cookie; often used as a cute nickname.
Given name also used as a casual nickname.
Short, used as nickname in Hebrew/Japanese contexts.
Famous as Obi‑Wan; used as a geeky nickname.
Given name; people do use it as a nickname too.
Obi variant; used as a casual friendly nickname.
Goofy, affectionate “weirdo” style nickname.
Used as a playful pet/human nickname (e.g. Oggy).
Given name; can be used informally as a nickname.
Famous Oppenheimer nickname; used playfully for O‑names.
Used as a casual nickname; also a given name.
Given name often used as a cool nickname.
Famous first name often used as nickname.
Cute, short pet name; also like “Opi/Opa”.
Playful, silly nickname from Willy Wonka.
Shortened form of Oliver/Olivia as nickname.
Short, cute nickname; e.g. for Oppenheimer.
Quirky animal-based nickname some people use.
Real short given name, used as nickname too.
Scandinavian given name, works as nickname.
Playful shortening of “octopus” as a nickname.
Short form of names like Ovidiu, used casually.
Friendly pet name; also a given name in UK.
Light teasing nickname for an older person.
Ottie is a cute diminutive, esp. for Otto.
Owie can be a playful kid-style nickname.
Oswald is a given name, can be used as a nickname.
Ophelia is a full name, sometimes used as a pet name.
“Old Sport” is a classic friendly nickname.
“Old boy” is a colloquial buddy-style nickname.
- OMG
Ossie is a known nickname for Oswald/Osman.
Ody works as a short, casual name (like for Odysseus).
Otty is a cute, informal pet-name style nickname.
Ossy is a casual variant of Ossie as a nickname.
Ossi is used as a nickname in some countries.
Ora is a short given name, usable as a nickname too.
Casual, friendly shortening of 'okay' as a name.
From Norse god Odin; used as a strong nickname.
Cute twist on 'Odd' or names like Odetta, used casually.
Given name Osvaldo, can work as a casual nickname.
Playful pet‑name form, used for Oscar/Oscarito.
Used as quirky nickname, e.g. from name Odd or behavior.
Short, punchy; used as a cool, modern nickname.
Nature‑themed nickname; people do use 'Ocean'.
Short form of names like Osiris, Osita; used as nickname.
Famous Muppets character; used jokingly as a nickname.
Short, cute; used as nickname for Orrin/Oren, etc.
Silly, playful nickname, often for greasy hands etc.
Australian‑style shortening for names like Oscar/Occar.
The words in the list Nickname with O come from players of the word game Categories game.