Improvaganza may refer to:

• An annual international improvisation festival by Rapid Fire Theatre
• Drew Carey's Improv-A-Ganza, an improvisational comedy television program

• Markowka
• Markowo
• Markowo (disambiguation)
• Markowo, Goldap County
• Markowo, Gołdap County
• Markowo, Greater Poland Voivodeship
• Markowo, Inowroclaw County
• Markowo, Inowrocław County
• Markowola
• Markowola-Kolonia
• Markowo, Ostroda County
• Markowo, Ostróda County
• Markowo, Podlaskie Voivodeship
• Markowo, Wloclawek County
• Markowo-Wolka
• Markowo-Wólka
• Markowo, Włocławek County
• Markowskie
• Markow-Swinice
• Markowszczyzna
• Markow-Towarzystwo
• Markow, Warmian-Masurian Voivodeship
• Markowy Wygon
• Mark Oxley
• Markoye