10 Nickname For Prince William By Diana Nickname Ideas: 45+ Cute, Funny & Unique Options (2026)

Introduction

Prince William, the Duke of Cambridge and future King of the United Kingdom, was famously given the nickname “Wombat” by his mother, Princess Diana. The story goes that Diana called him Wombat because as a toddler he made a funny waddling walk that reminded her of the Australian animal. This intimate family nickname offers a rare glimpse into the private world of the royal family. Nicknames matter for figures like Prince William because they humanize a public persona, and exploring the nicknames Diana used can help fans, parents, or admirers find warm, personal ways to refer to someone special—whether a child, friend, or even a family pet. Below we’ve collected over 45 nickname ideas that honor the spirit of Diana’s motherly affection for William.

Classic Prince William by Diana Nicknames

• Wombat – Diana’s most famous nickname for William, based on his toddler waddle. It remains the most recognizable and endearing classic.
• Wills – A common shortening of William that Diana used publicly and privately. Simple, friendly, and timeless.
• Billy – A classic English diminutive of William that Diana reportedly used at home. Feels both formal and affectionate.
• Will – The most straightforward short form. Diana used it occasionally in casual conversation.
• William the Conqueror – A playful historical reference Diana might have used when William was being particularly determined as a child.
• My Little Prince – A natural motherly term of endearment, fitting for the future king from the start.
• Willy – A traditional British diminutive, though Diana reportedly preferred “Wills” over this one.
• Prince Charming – Diana often joked about William’s good looks and charm, making this a classic affectionate tease.

Cute Prince William by Diana Nicknames

• Wombatty – An even softer, cuter version of “Wombat” that adds a cuddly feel.
• Willow – A nature-inspired twist on William that sounds gentle and sweet.
• Will-Bear – Combining “Will” with a teddy bear ending; perfect for a loving mother.
• Ducky – A term of endearment Diana supposedly used for both boys, affectionate and adorable.
• Lambkin – A classic British endearment meaning “little lamb.” Diana was known for using such warm terms.
• Sweet William – A double meaning: the name of a flower (Dianthus barbatus) and a loving nickname.
• Willikins – An old-fashioned, playful diminutive that sounds both cute and aristocratic.
• Bumble – Inspired by the bumblebee; Diana might have called William this when he was buzzing with energy.
• Pip – Short for “Prince” in a cutesy way, or a reference to the character in Great Expectations.
• Little Will – Simple but heartwarming, especially when William was small.

Funny Prince William by Diana Nicknames

• Wombastic – A pun combining “Wombat” and “fantastic,” great for a playful mother-son joke.
• The Wombat of Windsor – A mock-heroic title that Diana might have used to tease William about his royal status.
• Willinator – A silly terminator-style name for when William was being determined.
• Prince Wobble – Recalling the toddler waddle that started the Wombat nickname.
• Willy Nilly – A rhyme on the name that sounds goofy and lighthearted.
• Royal Rascal – Diana loved mischief, and William was known for his cheeky side.
• King of the Sticky Fingers – For when little William got into sweets or jam.
• Sir Waddle-a-Lot – Another nod to his early walking style.
• The Duke of Tickles – A playful version of his eventual title, Duke of Cambridge.
• Whirlwind William – Diana described her boys as “whirlwinds,” so this fits perfectly.

Cool and Creative Prince William by Diana Nicknames

• Wx – A modern, initials-based username or stylized nickname (W for William, x for extra flair).
• Willspire – A blend of “Will” and “inspire,” suitable for a future king who inspires others.
• Lionheart – Diana admired courage; this nickname evokes Richard the Lionheart and William’s bravery.
• Windwalker – A poetic connection to his name (William means “resolute protector”) and the element of wind.
• BluebloodWill – A cool, modern handle that nods to his royal birth.
• Prince of Wales (Jr.) – A forward-looking nickname for when William took the title.
• Willastra – A made-up, fantasy-like name that sounds regal and creative.
• WombatKing – A blend of the childhood nickname with his future role; great for online usernames.
• W1ll – A leet-speak version for a gamer or modern digital identity.
• WillDotes – A portmanteau of “William” and “anecdotes,” reflecting his love for storytelling?

Prince William by Diana Nicknames by Personality Type

• The shy one: Hush-Will – A gentle nickname for a quiet or reserved William, echoing Diana’s own shyness as a child.
• The sporty one: Ace – Diana was supportive of William’s love for sports; “Ace” works for tennis or polo.
• The bookworm: Will-Read – A punny nickname for a studious William, perhaps used when he was focused on his history degree.
• The playful one: Wombat-Bounce – Combines the iconic nickname with his energetic personality.
• The stylish one: Prince Chic – Diana was a fashion icon; she might have teased William about his growing style.

Tips for Using a Prince William by Diana Nickname

• Start with context: If you’re using a nickname for a child or friend inspired by Diana, explain the cute story behind “Wombat” first – it adds charm and meaning.
• Respect personal preference: Not everyone enjoys being called by a historical figure’s nickname. Gauge how the person reacts to royal or animal-themed names.
• Consider formality: Nicknames like “Wills” or “Billy” are safe in most settings, but avoid ones like “Wombat” in professional environments unless you know the person well.
• Match the relationship: A mother-son bond allows for more intimate nicknames. For a friend or colleague, stick to classic or creative options that aren’t too personal.
• Test the waters: Try the nickname lightly during a conversation and see if the person smiles or responds positively.

Related Names and Nicknames

• Prince Harry – Diana called Harry “Ginger” and “My little soldier.” Related nicknames include “Haz” and “Sparks.”
• Princess Diana – Herself nicknamed “Shy Di,” “Lady Di,” and “The People’s Princess.” The story of William’s nickname is part of her legacy.
• Prince George – William’s son, sometimes called “PG” or “Georgie.” The nickname tradition continues.
• Duchess Kate – Catherine’s family nicknames include “Catherine” (full) and “Cathy,” but William often calls her “darling” publicly.
• King Charles III – Diana’s ex-husband, known as “Prince Charles” then “King Charles,” but childhood nicknames were “Charlie” or “C.”

Conclusion

Whether you’re a royal enthusiast, a parent looking for a cute nickname for your little one, or simply love the sweet bond between Diana and William, these nickname ideas offer something for every situation. From the iconic “Wombat” to creative handles like “Willspire,” the best nickname is the one that feels natural and carries meaning. For more inspiration, explore our guide on royal nicknames or nickname ideas for Prince Harry.