Loyola College and the Maryland League of Women Voters plan to cosponsor televised debates among gubernatorial and senatorial candidates in October before the Nov. 4 general election.

But League President Betsy Cullen said her organization has not decided if debates will be held before the Sept. 9 primary.

Cullen said a decision about debates before the primary would be made this month. Black Women Endorsements

The Tricounty chapter of the National Political Congress of Black Women, whose members live in Howard, Frederick and Carroll counties, have voted to endorse Attorney General Stephen H. Sachs for governor, Rep. Barbara Mikulski for the U.S. Senate, Russell "Tim" Baker for attorney general and Maryland House Speaker Benjamin Cardin for Congress. All are Democrats.

The National Political Congress of Black Women was founded by former Rep. Shirley Chisholm to encourage black women to participate in the political process. DiSalvo Runs for Delegate

Upper Marlboro resident Frank DiSalvo has declared his candidacy for a Maryland House of Delegates seat from the District 27.

The district encompasses much of southern Prince George's County, including Upper Marlboro, Clinton, Camp Springs, Accokeek and Brandywine.

DiSalvo, a graduate of Catholic University, is founder and president of Productions Unlimited Inc., which provides musical entertainment to the lodging and beverage industry. Simons Running in District 17

Arlene Simons has announced her candidacy for the Maryland House of Delegates from District 17, which includes Rockville, Gaithersburg and Garrett Park. She is executive director of the Community Housing Resources Board and a member of the Department of Economic and Community Development Commission. Miles Declares in District 24

Nathania A. Miles, a member of the Prince George's County Consumer Protection Commission, announced that she is running for the House of Delegates from the District 24, which includes the towns of Glenarden, Seat Pleasant and Fairmount Heights.

Miles, 36 lives in Mitchellville and is active in the National Hook-Up of Black Women, the League of Women Voters, the NAACP and the Prince George's County Rainbow Coalition.From staff reports and news services.