SLA

SLA may mean:

• Second language acquisition, how people learn additional languages
• Service level agreement, a term used in information technology
• Shared line appearance, a technique used in telephony
• SLA Industries, a role-playing game written by Nightfall Games
• Slow left arm, a bowling style in cricket
• Software license agreement, a contract placing restrictions on the use of software

Geography

• Martín Miguel de Güemes Airport (via IATA airport code), in Salta, Argentine
• South Los Angeles
• State Line Avenue, in Texarkana, United States

Science/Engineering

• Sealed lead-acid, a type of lead-acid battery
• Short long arms suspension, a wheel suspension type for vehicles with wishbones of unequal length
• Specific leaf area, Botanist's term describing a property of a leaf on a plant, often used as a measure of leaf "thickness"
• Stereolithography apparatus, a type of rapid prototyping machine

Organizations

• Saint Lawrence Academy, a college preparatory school located in Santa Clara, California
• School Library Association, an association for school librarians
• South Lebanon Army, an Israeli-backed militia during the Lebanese Civil War
• Special Libraries Association, an association for professional librarians working in specialized libraries
• Sri Lanka Army, the oldest and largest of Sri Lanka's armed services
• State Liquor Authority, New York State organization that enforces liquor laws
• Sudan Liberation Army, a rebel group in the Sudanese region Darfur
• Symbionese Liberation Army, kidnappers of Patricia Campbell Hearst