There'll be a candlelight vigil at the Lincoln Memorial this Sunday evening to mark the fifth anniversary of John Lennon's death. The two-hour program will include a singalong with folksinger Scott Brown and recorded Lennon music.

Admission to the following activities is free unless otherwise noted.

HOLIDAY BAZAAR -- Friday, 9 to 9; Saturday, 9 to 4, Rainbow's End Boutique, 12618 Kernwood Ln., Bowie. Egg art, rosemaling, Hardanger embroidery, Christmas gifts, baked goods. 262-2348.

LADEW TOPIARY GARDENS -- Friday- Sunday, 11 to 4, 3535 Jarrettsville Pike (Rte. 146, 14 miles north off Baltimore Beltway exit 27-N), Monkton, Md. Tour a decorated English country house; bagpiper, choral and Renaissance groups, light refreshments, Christmas items. Adults $2.50; children 12 and under, 50 cents. 301/557-9466.

ANTIQUE FAIR -- Friday-Saturday, noon to 9; Sunday, noon to 6, D.C. Armory, 2001 East Capitol St. (next to RFK Stadium). A variety of antiques displayed by 180 dealers. $3.50 admission (good all three days). 547-9215.

SQUARE DANCE -- Friday, 8:30, Reston Community Center, 2310 Colts Neck Rd., Reston. Dance to June Apple String Band; beginner's workshop at 8. $2.50. 476-4500.

CHRISTMAS BAZAAR -- Saturday, 10 to 7, Sodality of St. Mary's Parish, Burgundy Room, Rte. 450 and Ardwick-Ardmore Road, Landover Hills, Md. Handcrafts, toys, baked goods, plants, Santa. 577-0076.

HOLIDAY BAZAAR -- Saturday, 10 to 4, Langley-Hampshire Civic Association, 1500 Merrimac Dr., Langley Park, Md. Crafts, poinsettias, Santa. 445-4508 or 439-3153.

AUDUBON HOLIDAY FAIR -- Saturday- Woodend Estate, 8940 Jones Mill Rd., Chevy Chase. Nature crafts, plants, books, slide show, nature trail walks, wreath-making workshop, calendars, birdseed. 652-9188.

CHRISTMAS SALE -- Saturday, 11 to 7, Virginia Community Center, 120 Cherry St., Vienna. Auction, autographed Redskins football, football tickets, books, china, furniture. Sponsored by Friends of Homeless Animals; admission to the sale is canned dog or cat food. 378-6430 or 281-6313.

TRAIN, DOLLHOUSE AND TOY SHOW -- Saturday-Sunday, 11 to 5, Exhibition Hall, Timonium (Md.) Fairgrounds. $4 adults, 12 and under free. 301/795-7447.

JAPANESE BAZAAR AND FASHION SHOW -- Saturday, 1 to 5, Youth For Understanding, 3501 Newark St. NW. Japan- America Society sponsors a kimono fashion show, ceramics, music, gifts. 289-8290.

HOLIDAY DANCE -- Saturday, 8:30 p.m. to 12:30 a.m., Longwood Recreation Center, 19300 Georgia Ave., Olney, Md. Kiwanis Club's annual Toys for Tots Dance; music by The Personalities. Admission $5 plus a new, unwrapped toy. 231-3213 or 774-2075.

SWING DANCE -- Saturday, 9 to midnight, Church of the Ascension Hall, 630 Silver Spring Ave., Silver Spring, Md. Dance to the sounds of Big Nite Out; beginning jitterbug workshop at 8. $5. 270-6270.

HANUKAH CELEBRATION -- Sunday, 2 to 4:30, Temple Sinai, 3100 Military Rd. NW. Israeli folk dancing, singalongs, games, candle lighting, make-your-own cookie bar. Adults $4.50; children $2.50. 775-1765.

JOHN LENNON VIGIL -- Sunday, 5 to 7, Lincoln Memorial. A candlelight vigil and folk music singalong. 544-0331 or 287-6036.