PNI may refer to:

Organizations

• Indonesian National Party (Partai Nasional Indonesia), the name used by several political parties in Indonesia
• Palestinian National Initiative, a Palestinian political party
• PNI Digital Media (Photochannel Networks Inc), a US company that operates an on-demand photographic printing service
• United Nations Crime Prevention and Criminal Justice Programme Network, a global research- and information-sharing network

Science

• Perineural invasion, cancer spreading along a nerve
• Psychoneuroimmunology, the study of interaction between the nervous system and immune system

Technology

• Prescott New Instructions, also known as SSE3, an instruction set introduced with the Intel Prescott processor in 2004
• Private Network Interconnect, a method of Internet peering

Places

• PNI, IATA Airport Code for Pohnpei International Airport in Micronesia

This disambiguation page lists articles associated with the title PNI.
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