SU, Su or su may refer to:
A surname or family name is a name added to a given name. In many cases, a surname is a family name and many dictionaries define "surname" as a synonym of "family name".
The Sun is the star at the center of the Solar System. It is a nearly perfect sphere of hot plasma, with internal convective motion that generates a magnetic field via a dynamo process.
Sushi (すし, 寿司, 鮨) is the Japanese preparation and serving of cooked vinegared rice (鮨飯, sushi-meshi) combined with varied ingredients (ネタ, neta), chiefly seafood, vegetables, meat (usually fish), and occasionally tropical fruits.
The Supreme Court of the United States is the highest federal court of the United States. Established pursuant to Article III of the United States Constitution in 1789, it has ultimate (and largely discretionary) appellate jurisdiction over all federal courts and over state court cases involving issues of federal law, plus original jurisdiction over a small range of cases.
Sugar is the generic name for sweet, soluble carbohydrates, many of which are used in food. There are various types of sugar derived from different sources.
Superman is a fictional superhero appearing in American comic books published by DC Comics. The character was created by writer Jerry Siegel and artist Joe Shuster, high school students living in Cleveland, Ohio, in 1933. They sold Superman to Detective Comics, the future DC Comics, in 1938. Superman debuted in Action Comics #1 (cover-dated June 1938) and subsequently appeared in various radio serials, newspaper strips, television programs, films, and video games.
Sudan (Arabic: السودان as-Sūdān, English pronunciation (US) /suˈdæn/, (GB) /suːˈdɑːn/), also known as North Sudan since South Sudan's independence and officially the Republic of the Sudan (Arabic: جمهورية السودان Jumhūriyyat as-Sūdān), is a country in Northern Africa.
Sufism or Taṣawwuf (Arabic: التصوف), which is often defined as "Islamic mysticism," "the inward dimension of Islam," or "the phenomenon of mysticism within Islam," is a mystical trend in Islam "characterized ...
Sulfur or sulphur (see spelling and etymology) is a chemical element with symbol S and atomic number 16. It is abundant, multivalent, and nonmetallic.