Leonardo da Vinci's workshop holograms
The following is a list of holographic characters incorporated into the Leonardo da Vinci's workshop holoprogram.

Named 
 
 Carlotta

Unnamed

Artists 
These three artists were part of the program when The Doctor activated it in 2374 to hide from the Srivani. They were artists who drew a , Carlotta. ()

Cardinal and his nephew 
Shortly after the activation of the program, Leonardo accused the cardinal of being a thief, stating that he had delivered two portraits of "his mindless nephew", both under the contract condition that the nephew was "To be depicted in the heroic mode of Hercules or an ". According to Leonardo. he complied, "Making that young fool of a nephew look far more heroic than nature ever intended." Over three months later, he complained to Kathryn Janeway that he had not yet been paid in the monetary sense, and only considered "The Cardinal's eternal gratitude" that he instead received to be "less than nothing." ()

Florentines  
Several Florentines, citizens of Florence, taunted Leonardo da Vinci and Caterina when the two tried to fly with a glider, built by da Vinci. Instead of getting higher the two fell into the river Arno. The Florentines were laughing and da Vinci was up to throw a vase onto them out of the window of . ()

Unnamed holograms