The National Merit Scholarship Corp. recently announced the winners of college-sponsored four-year Merit Scholarships. The scholarships are renewable for up to four years of attendance at the college financing the award. Winners were chosen by officials of their sponsor institution and will receive $1,000 to $8,000 over the four college undergraduate years.

More than one million high school juniors entered the 27th National Merit Scholarship Program 18 months ago by taking the Preliminary Scholastic Aptitude Test/National Merit Scholarship Qualifying Test in October 1980. Approximately 15,000 high-scoring participants qualified as semifinalists, and were honored publicly last fall.

About 13,500 students advanced to finalist standing in the competition.

The following are college-sponsored four-year Merit Scholarship winners:

Bethesda: Mayer N. Fishman, Walt Whitman High School; Jennifer L. Owens, Bethesda-Chevy Chase High School.

Burtonsville: Koralleen T. Dolecek, Paint Branch High School.

Bowie: Thomas H. Ayers, Bowie Senior High School.

Columbia: Myra L. Ensor, Atholton High School.

Fort Meade: John T. Wright, Meade High School.

Germantown: Michael P. Boyle, Seneca Valley High School.

Greenbelt: William E. Boyer, Stephen A. Cohn, Salo K. Fajer, Paul T. Greenberg, Heather J. Kingham and Jennifer A. McManis, Eleanor Roosevelt Senior High School.

Hyattsville: Martha A. Woods, North Western High School.

Rockville: Leo J. Jennings, Charles W. Woodward High School; Steven D. Miller, Richard Montgomery High School.

Silver Spring: Ruth B. Felsen, Northwood High School.

Washington: Anne K. Roby, La Reine High School.