NEW World Development chairman Cheng Yu-tung last night was named Businessman of the Year in the 1993 DHL/SCMP Hong Kong Business Awards. The Hong Kong Business Awards, established in 1989 by DHL (International) Hong Kong, and the South China Morning Post to reward excellence in business, were this year judged by a panel comprising 11 of the territory's top businessmen. Mr Cheng said: ''I am delighted to have been chosen for this award and would like to thank my staff for their dedication and professionalism.'' Mr Cheng, who heads one of the most successful real estate development and property investment firms in Hong Kong, has been active in the property business for more than 30 years. The Executive of the Year Award was presented to William Fung Kwok-lun, managing director of Li & Fung while the Young Entrepreneur Award went to Siegfried Lee Siu-fung. The International Award was given to the Asian Sources Media Group and the Enterprise Trophy went to the Kantone Group. Styland Holdings chairman Kenneth Cheung and Le Saunda Holdings were awarded Certificates of Excellence.