DC15 may refer to :

• OR Tambo District Municipality district code
• Dyson DC15, a 2005 vacuum cleaner by manufacturer Dyson
• 15th DEF CON 2007 hackers convention

DC-15 may refer to :

• DC-15 blaster rifle, a fictional weapon used by the Republic clone troopers in Star Wars

• HSPA2 (gene)
• HSPA4 (gene)
• HSPA4L (gene)
• HSPA5 (gene)
• HSPA6 (gene)
• HSPA8 (gene)
• HSPA9 (gene)
• HspA (gene)
• HSPAS
• HSP AS
• HSPB1 (gene)
• HSPB2 (gene)
• HSPB3
• HSPB3 (gene)
• HSPB6 (gene)
• HSPB8 (gene)
• HspB (gene)
• HSP BiH
• HSPBP1 (gene)
• HSPC
• HSPD
• HSPD1 (gene)
• HSPDP
• HSPE1 (gene)
• HSPG2 (gene)