Aegiale may refer to:

• Aegiale (Amorgos), an ancient town of Amorgos
• Aegiale (wife of Diomedes), a daughter of Adrastus and Amphithea, or of Aegialeus the son of Adrastus, in Greek mythology
• Aegiale (daughter of Helios), the daughter of Helios and Clymene in Greek mythology
• Aegiale hesperiaris, a species of butterfly

• Washington State Department of Financial Institutions
• Washington State Department of Fish and Wildlife
• Washington State Department of Labor and Industries
• Washington State Dept. of Licensing v. Cougar Den, Inc.
• Washington State Executive election, 2004
• Washington State Executive election, 2008
• Washington State Executive election, 2012
• Washington state flag
• Washington State football, 1905
• Washington State football, 1906
• Washington State football, 1907
• Washington State football, 1908
• Washington State football, 1909
• Washington State football, 1910
• Washington State football, 1911
• Washington State football, 1912
• Washington State football, 1913
• Washington State football, 1914
• Washington State football, 1915
• Washington State football, 1916
• Washington State football, 1917
• Washington State football, 1918
• Washington State Golf Association
• Washington State Higher Education Coordinating Board
• Washington State Highway Department