Art in general:

• Arts of China Consortium(ACC) :  collects websites on Chinese art history, archaeology and visual and material culture
• Chinese art (through ArtLex)
• Chinese Art (through Asia-art.net)
• China (through the Jacques-Edouard Berger Foundation's World Art Treasures)
• 中国艺术新闻网

Architecture:

• Asian Historical Architecture : contains over 6450 photos of 457 sites across seventeen countries. The geographical parameters of the site are limited to areas heavily influenced by Buddhism, Confucianism, or Hinduism.

Buddhist Art:

• Asian Art  Includes associations, exhibitions, articles, and galleries.  The exhibition part has Buddhist art image photographes.
• American Institute of Indian Studies : has over 125,000 photographs on a broad subjects including sculptures.
• Buddhist Art WWW Virtual Library
• China (through the Jacques-Edouard Berger Foundation's World Art Treasures)
• Himalayan Art: database of images and links to related site
• Huntington Archive of Buddhist and Related Art  Countries covered in the collection include India, Afghanistan, Pakistan, Bangladesh, Sri Lanka, Nepal, China, Japan, Thailand, Indonesia, and Myanmar (Burma). Works range from approximately 2500 B.C.E. to the present, and documentation includes contemporary religious activities in various parts of Asia.  Contains predominantly Buddhist material, but also includes Hindu, Jain, Islamic, and other works.
• The International Dunhuang Project

Paintings:

• Innovations in Chinese Painting (1850 - 1950) (Ohio State University, Columbus)
• Tse-Tsung Chow collection of Chinese scrolls and fan paintings from University of Wisconsin with over 120 calligraphic and painted Chinese scrolls and fans from 18th through the 20th centry.

Postcards:

• Gerald & Rella Warner Postcards collected in Taiwan by Gerald and Rella Warner during Gerald's service as US Consul between August 26, 1937 and March 8, 1941. Warner Taiwan Postcards contains 201 postcards and 139 b/w commercial photographs from that period.
• The Lin Chia-feng (林佳楓) Family Postcard Collection: from Lafeyette College, contains 370 colonial-era postcards (1900-1945)  from Taiwan, Japan, Korea and China. Industry, tourism, colonial governance, monuments, festivals, and public works are prominent themes.
• The Michael Lewis Taiwan Image Collection:  517 colonial-era (1895-1945) postcards from Japanese governed Taiwan.

• Art and China's Revolution, Asia Society exhibition, 2008 艺术与中国革命 Chinese art (1950s-1970s)exhibitions.
• Artspeak China: online collaborative encyclopedia of contemporary Chinese art.  It is bilingual, Wikipedia-style reference guide to contemporary Chinese art, allowing readers to create or edit articles in one language with their efforts reflected in the other. Content is searchable and cross-referenced via internal links and accompanied by an illustrated timeline of historical and arts events
• The Huntington Archive: "China: 5,000 Years" : online exhibition of Chinese art from 1850 to present
• Literature in Line: Lianhuanhua Picture Stories From China Electronic edition of the exhibition at The Ohio State University Cartoon Research Library, April 25, 1997 - June 13, 1997.
• Lianhuanhua - picture storybook 连环画: from  the Asia Collection, Hamilton Library, University of Hawaii at Manoa

Culture Revolution

• From the Masses to the Masses: An artist in Mao's China is a film and website about Jin Zhilin, a Chinese artist. 
• Morning Sun: A film and website about Cultural Revolution
• Picturing Power: Posters of the Cultural Revolution 1963-1979
  
• Rethinking Cultural Revolution Culture
• Stefan Landsberger's Chinese Propaganda Poster Pages

Avant-Garde Art

• ArtZineChina.com | 中国艺志
• Asia Art Archive (Hong Kong): collect, preserve and make information on contemporary Asian art easily accessible in order to facilitate understanding, research and writing in the field
• Century Online China Art Networks
• Chinese contemporary photography: a virtual exhibition of a private collection of 150 works from 40 artists.
• Contemporary Chinese Photography : part of the Conscientious site with 28 Chinese artists' works.
• Hu Ming: A comtemporary woman painter in China.
• Inside Out: New Chinese Art
• New Chinese art: images of Chinese artists but no information on the artist.
  
• The Saatchi gallery : New Chinese Art
  
• New Chinese Art: contemporary Chinese photography : has works of 17 Chinese artists, no information on the artists.

Museums:

• Asian Art Museum of San Francisco
• The Cleveland Museum of Art
• Freer Gallery of Art and Arthur M. Sackler Gallery: Browse Collection Browse Images
• The Metropolitan Museum of Art
• Museum of Fine Arts, Boston
• The Nelson-Atkins Museum of Art
• 國立故宮博物院, Taipei (National Palace museum)
• 故宮博物院(Beijing Palace Museum)
• 上海博物館 (Shanghai Museum)
  

Taoist Art:

• Taoism and the Arts of China (special exhibition at The Art Institute of Chicago Museum)

Others:

• Hoover Institution Political Poster Database: more than 300 posters on China. Users can browse by country or search.
• MIT's Visualizing Cultures - Image-driven scholarship: images are introduced with essays.
• 年画撷英 ：from National library of China with near 200 images.
• 碑帖精华 ：from National library of China with more than 30, 000 images.