SB1

SB1, SB 1, SB.1, SB-1, or SB>1 may refer to:


 * SB1, a single-lined spectroscopic binary star
 * SB1, the Sabino 1 coat color pattern gene found in some, but not all varieties of Sabino horses
 * SB1, a shorthand designation of Soldier Boy I, a fictional superhero in the The Boys franchise
 * Senate Bill 1, a 2006 California legislative bill which expands the role of the California Solar Initiative
 * Senate Bill 1, Road Repair and Accountability Act, a 2017 California legislative bill
 * Tupolev SB-1, another name for the Tupolev SB, a 1930s Russian bomber
 * Short SB.1, a 1951 British experimental tailless glider
 * Sikorsky/Boeing SB-1 Defiant, also SB>1, an American experimental compound helicopter
 * Stinson SB-1 Detroiter, a 1921 American utility aircraft
 * Loessl Sb.1 Münchener Eindekker, a 1921 German experimental glider