PNI may refer to:

Organizations

Indonesian National Party The Indonesian National Party (, PNI) was the name used by several nationalist political parties in Indonesia from 1927 until 1973. The first PNI was established by future President Sukarno. After independence, the new PNI supplied a number of pri ...

(''Partai Nasional Indonesia''), the name used by several political parties in Indonesia *

Palestinian National Initiative Palestinian National Initiative (PNI; ''al-Mubādara al-Waṭaniyya al-Filasṭīniyya'') is a Palestinian political party led by Mustafa Barghouti. Its formation was formally announced on 17 June 2002 in Ramallah on the West Bank, part of ...

, 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 In pathology, perineural invasion, abbreviated PNI, refers to the invasion of cancer to the space surrounding a nerve. It is common in head and neck cancer, prostate cancer and colorectal cancer. Unlike perineural spread (PNS), which is defined a ...

, cancer spreading along a nerve *

Psychoneuroimmunology Psychoneuroimmunology (PNI), also referred to as psychoendoneuroimmunology (PENI) or psychoneuroendocrinoimmunology (PNEI), is the study of the interaction between psychological processes and the nervous and immune systems of the human body. It is ...

, the study of interaction between the nervous system and immune system

Technology

* Prescott New Instructions, also known as

SSE3 SSE3, Streaming SIMD Extensions 3, also known by its Intel code name Prescott New Instructions (PNI), is the third iteration of the SSE instruction set for the IA-32 (x86) architecture. Intel introduced SSE3 in early 2004 with the Prescott revis ...

, an instruction set introduced with the Intel Prescott processor in 2004 * Private Network Interconnect, a method of Internet

peering In computer networking, peering is a voluntary interconnection of administratively separate Internet networks for the purpose of exchanging traffic between the "down-stream" users of each network. Peering is settlement-free, also known as "bill-a ...

Places

* PNI, IATA Airport Code for

Pohnpei International Airport Pohnpei International Airport is an airport located on Pohnpei Island (formerly Ponape), the main island of Pohnpei State. It is close to Palikir, the capital of the Federated States of Micronesia. The extension of the Pohnpei International Ai ...

in Micronesia {{disambig