The Student Prince is an operetta written by Sigmund Romberg (music) and Dorothy Donnelly (books and lyrics). The Student Prince was the most successful of Romberg's works, running for 608 performances. It opened on December 2, 1924 at Jolson's 59th Street Theatre on Broadway. It was revived twice on Broadway in the 1930s and the 1940s.

The plot centers on the prince of Karlsberg who is about to attend Heidelberg University. Even after his attempts to keep secret his royal upbringing fail, the Prince gains friends and the love of the Innkeeper's daughter, Kathie. However, his idylic world comes to an end with the news of his father's death and his ascent to the Kalrsberg throne. Ultimately, the new King faces the political reality that he must wed another, but the audience knows his true love will always be Kathie.

Frequently revived, The Student Prince, has elements of melodrama, but has a definite lack of swashbuckling common to Romberg's other works. The plot is mostly faithful to its source, "Alt Heidelberg" by Wilhelm Meyer-Foerster .

The operetta contains some of the most beautiful, yet grueling, tenor arias in the operetta repetoire. Mario Lanza made many of the songs famous with his movie role and albums.

• Golden Days
• Drinking Song (Drink!, Drink!, Drink!)
• In Heidelberg Fair
• Deep in My Heart
• Serenade