| ISP | I Sell Promises 
| Others |
| ISP | I'm So Prissy
| Others |
| ISP | Idaho State Police
| Others |
| ISP | Illinois State Police
| Others |
| ISP | Image Signal Processor
| Others |
| ISP | Image Synthesis Processor
| Others |
| ISP | In Skill Purchasing
| Others |
| ISP | In Store Processor
| Others |
| ISP | In System Programmable
| Others |
| ISP | In System Programmer
| Others |
| ISP | In System Programming
| Others |
| ISP | In-Sessional Program
| Others |
| ISP | In-System Programming
| Others |
| ISP | Independent Study Program
| Others |
| ISP | Independent Study Project
| Others |
| ISP | Indian Society for Parasitology
| Others |
| ISP | Indiana State Police
| Others |
| ISP | Individualized Service Plan
| Others |
| ISP | Industrial Security Professional
| Others |
| ISP | Industrial Security Program (Canada)
| Others |
| ISP | Industrial Spark Plug
| Others |
| ISP | Inferior Service Provider
| Others |
| ISP | Information Security Program
| Others |
| ISP | Information Service Provider
| Others |
| ISP | Information Services Processor
| Others |
| ISP | Information Society Project
| Others |
| ISP | Information Sources Page
| Others |
| ISP | Information Storage Professional
| Others |
| ISP | Information Systems Professional
| Others |
| ISP | Infrastructure Service Provider
| Others |
| ISP | Initial Specific Impulse
| Others |
| ISP | Innovative Service Program
| Others |
| ISP | Inside Screen Porch
| Others |
| ISP | Installation Strategic Plan
| Others |
| ISP | Instituitional Strengthening Program
| Others |
| ISP | Institutional Strengthening Plan
| Others |
| ISP | Instruction Set Processor
| Others |
| ISP | Instrumentation Support Plan
| Others |
| ISP | Insurance Service Provider
| Others |
| ISP | Integral Somatic Psychology
| Others |
| ISP | Integrated Science Program
| Others |
| ISP | Integrated Service Package
| Others |
| ISP | Integrated Standard Processor
| Others |
| ISP | Integrated Support Plan
| Others |
| ISP | Integrated System Peripheral
| Others |
| ISP | Integrating Special Populations
| Others |
| ISP | Intelligent Systems Program
| Others |
| ISP | Intense supervised probation
| Others |
| ISP | Interactive Screening Program
| Others |
| ISP | Interactive Serial Programmer
| Others |
| ISP | Interface Strain Parameter
| Others |
| ISP | Intermediate Start Position
| Others |
| ISP | Intermediate Switching Point
| Others |
| ISP | Internal System Performance
| Others |
| ISP | International School of Panama
| Others |
| ISP | International School of Paris
| Others |
| ISP | International Schools Partnership
| Others |
| ISP | International Security Passport
| Others |
| ISP | International Service Provider
| Others |
| ISP | International Society for Pathophysiology
| Others |
| ISP | International Society for Psychophysics
| Others |
| ISP | International Standardized Profile
| Others |
| ISP | International Student
| Others |
| ISP | International Student Placements
| Others |
| ISP | International Student Protection
| Others |
| ISP | International Studies and Programs
| Others |
| ISP | International Studies Perspectives
| Others |
| ISP | Internet Security Protocol
| Others |
| ISP | Internet Service Provider
| Internet |
| ISP | Internet service providers
| Others |
| ISP | Internet Suckiness Providers
| Others |
| ISP | Internet Survey Period
| Others |
| ISP | Intrinsically Safe for Process
| Others |
| ISP | Invisible Street Photography
| Others |
| ISP | Iron Sulfur Protein
| Others |
| ISP | ISDN Security Program
| Others |
| ISP | Isolated Soy Protein
| Others |
| ISP | ISPanyolca
| Others |
| ISP | Long Island Mac Arthur Airport
| Others |
| ISP | Long Island MacArthur Airport
| Others |
| ISP | Long Island MacArthur Airport, Long Island, New York USA
| Others |