Two conservative Republicans from Maryland, Reps. Majorie S. Holt and Robert E. Bauman, topped area members of Congress in earnings from speeches in the first reporting period covered by the House's new financial disclosure law.

Holt reported $3,000 in honorariums for the last three months of 1977, and Bauman $1,700. Next came D.C. Del. Walther E. Fauntroy, a Democrat, who was paid $1,500 for two speeches in the fourth quarter of the year, and Rep. Herbert E. Harris II (D-Va.), who made $1,000 for two speeches.

Information about the honorariums was contained in reports due last Sunday as part of detailed financial disclosure requirements of the ethics package approved last year by the House.

The new regulations put a ceiling of $25,000 on honorariums for this year. Beginning next year, members' earned outside income will be limited to 15 per cent of their congressional salaries or $8,625 of their current salary of $57,500, with no single honorarium of more than $750.

Two area Demaocrats, Gladys Spellman of Maryland and Joseph L. Fisher of Virginia, reported no honorariums in the three months covered by the initial report. Fishers office said he has a policy of never accepting honorariums.

Rep. Newton I. Steers, the Republican from Montgomery County, had no income from honorariums between Oct. 1 and the end of the year, although he said he was paid $40 earlier in his fresman year on the Hill for speaking to a college group from Colorado.

Holt, whose 4th District includes all of Anne Arundel and part of Prince George's counties, was paid $2,000 for speaking last Oct. 25 to the Old Crowns Association, a group of military and civilian technologists concerned with electronic warfare, and $1,000 for speaking in Vero Beach, Fla., on Oct. 22 to the Rock Teen Corp., a paper manufacturer.

Fauntroy, who said he averages about $1,000 from the National Automatic Merchandising Association in November, and $500 from the Ohio Baptist Convention in October.

Harris got $500 each from the American Federation of Government Employees and the U.S. Chamber of Commerce.

Bauman's $1,700 was made up of $700 from Boston College, $500 from the Cabot Corp. Management Committee in Boston and $500 from the Association of County Medical Societies, an organization of conservative physicians based in Shawnee, Okla. Bauman also was reimbursed $374 in expenses for speaking to that group in Omaha.

Although the new regulations do not require it, both Steers and Fisher, the two wealthiest members among area representatives, also filed net worth statements.

Steers reported a net worth $1.6 million at the end of 1977, including $921,085 in securities and $602,032 in real estate. His unearned income last year included $28,035 in dividends and $5,211 in interest.

Fisher's net worth as of April 1 was $714,584. His major holdings are in two blind trusts, in his name and his wife's, that produced income totaling $35,903 last pear. Fisher reported other income of $7,476.

Fauntroy's statement said his only other income last year was his $5,512 salary as pastor of the New Bethel Baptist Church.

Mrs. Spellman reported income of $865 in interest on savings accounts and $7,950 from her husband's retirement income in the fourth quarter. She owns a mortgaged condominium in Ocean City and mortgaged land valued between $50,000 and $100,000 in McLeod, Mont.

Holt's statement showed she is buyng two rental houses in Ormond Beach, Fla. Harris' only outside income last year was $548 in dividends and interest. Bauman reported no other income and said his only other holdings were the contents of his law library.

The new law exempts reporting of the principal residences of members.