UCSD Pascal
| Logo of Version IV | |
| Developer | University of California, San Diego, SofTech, Pecan | 
|---|---|
| OS family | p-code operating systems | 
| Working state | Historic | 
| Initial release | August 1977 | 
| Latest release | IV.2.2 R1.1 / December 1987 | 
| Available in | English | 
| Platforms | Apple II, DEC PDP-11, Intel 8080, Zilog Z80, MOS 6502, Motorola 68000, x86, Osborne Executive, Pascal MicroEngine, TI 99/4A, BBC Micro | 
| Kernel type | p-code virtual machine | 
UCSD Pascal is a Pascal programming language system that runs on the UCSD p-System, a portable, highly machine-independent operating system. UCSD Pascal was first released in 1977. It was developed at the University of California, San Diego (UCSD).