The plural of tableau is tableaus or tableaux.
A tableau is a dramatic or artistic representation of a scene or event, typically performed by a group of actors or depicted in a visual form. It can also refer to a striking or vivid depiction or description of something. Tableaus are commonly used in theater, dance, and visual arts to convey a narrative or evoke emotions through still poses or carefully arranged compositions. They can be static or dynamic, and often involve careful attention to staging, lighting, and costume. Tableaus can be found in various artistic traditions and are a powerful tool for storytelling and visual communication.
The graph shows the occurances of the plural of tableau in written English since 1800 using Google's Ngram Viewer.