| CIII | 103, in old Rome |
| TWOSE | R G ?, New Zealand cricketer who hit 103 in the 6th ODI against South Africa in Cape Town in 2000 |
| ROGER | New Zealand cricketer who made 103 against South Africa in the 6th ODI in 2000 in Cape Town (5) |
| LOCKERBIE | Town in Dumfries and Galloway that came to international attention in December 1988 when Pan Am Flight 103 exploded above it (9) |
| MATT | 2009-2013 and 20152017 Kent all-rounder who made an unbeaten 103 against Yorkshire in Leeds in 2012 (4,5) |
| COLES | 2009-2013 and 20152017 Kent all-rounder who made an unbeaten 103 against Yorkshire in Leeds in 2012 (4,5) |
| HARRY | Derbyshire batter who made 103 against Gloucestershire in the 2025 County Championship in Bristol (5,4) |
| CAME | Derbyshire batter who made 103 against Gloucestershire in the 2025 County Championship in Bristol (5,4) |
| OREO | 103 year old cookie |
| OLDS | GM will discontinue this 103-year-old line |
| VERA | Lynn who died in 2020, aged 103 (4) |
| WELLHAM | D M ___, Australia Test cricketer who hit 103 against England at The Oval in 1981 (7) |
| HOBART | Burial place of Alec Campbell, the last living Anzac soldier, who died in 2002 aged 103 (6) |
| EGYPTIAN | The -; popular name for Piano Concerto No. 5 in F major, Op. 103 composed by Camille Saint-Saens (8) |
| GABONESE | Relating to a country in west Africa (103, 087 sq miles; pop about 2 million), independent since 1960 (8) |
| CLARKE | M J ?, Australia Test cricketer who hit an unbeaten 103 against England at Edgbaston in 2009 |
| MARTIAL | Roman poet from Hispania best known for his Epigrams, published in between AD 86 and 103 |
| NATHAN | Middlesex opener who made 103 against Northants in the 2024 County Championship at Northampton (6) |
| FERNANDES | Middlesex opener who made 103 against Northants in the 2024 County Championship at Northampton (9) |
| EDGARBRITT | Australian Racing Hall of Fame jockey who died in 2017 aged 103 (5,5) |
