The 2002 International Symposium on Cosmology and Particle Astrophysics (CosPA2002) was held from May 31 to June 2, 2002, in Taipei, Taiwan. The topics covered during the symposium included: (1) CMB Physics: SZ Surveys, Polarizations, Large-Scale Structures, Gravitational Lensing, and Data Analysis; (2) Dark Energy and Dark Matter: Dark Matter Physics, Quintessence and the Cosmological Constant; (3) Cosmology of Ultra High Energy Cosmic Rays; (4) Inflation and New Physics: Inflation, Noncommutative Geometry, Branes and Extra Dimensions.The proceedings have been selected for coverage in:• Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings)