Janice Tjen (born 6 May 2002) is an Indonesian tennis player.^[2]

She has a career-high singles ranking by the WTA of 481, reached on 23 December 2024. She also has a career-high doubles ranking of 698, achieved on 23 December 2024.^[3]

Result	W-L	Date	Tournament	Tier	Surface	Opponent	Score
Win	1–0	Jun 2024	ITF Monastir, Tunisia	W15	Hard	Patricija Paukstyte	6–1, 7–6(1)
Win	2–0	Jun 2024	ITF Monastir, Tunisia	W15	Hard	Anna Kubareva	6–2, 6–3
Win	3–0	Jun 2024	ITF Monastir, Tunisia	W15	Hard	Marine Szostak	6–1, 6–0
Win	4–0	Aug 2024	ITF Wanfercée-Baulet, Belgium	W15	Clay	Marie Weckerle	6–2, 6–2
Win	5–0	Nov 2024	ITF Antalya, Turkey	W15	Clay	Nadia Lagaev	6–1, 6–2
Win	6–0	Dec 2024	ITF Wellington, New Zealand	W15	Hard	Shiho Akita	6–4, 6–4
Win	7–0	Dec 2024	ITF Tauranga, New Zealand	W35	Hard	Hiromi Abe	6–2, 6–1

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Jun 2024	ITF Monastir, Tunisia	W15	Hard	Leena Bennetto	Patricija Paukštytė Alica Rusova	6–4, 6–1
Loss	1–1	Jun 2024	ITF Monastir, Tunisia	W15	Hard	Ella Simmons	Vladislava Andreevskaya Anastasia Gasanova	2–6, 4–6
Loss	1–2	Aug 2024	ITF Wanfercée-Baulet, Belgium	W15	Hard	Ella Simmons	Kaat Coppez Romane Longueville	4–6, 6–7(3)
Win	2–2	Nov 2024	ITF Antalya, Turkey	W15	Clay	Madeleine Jessup	Ștefania Bojică Briana Szabó	7–5, 4–6, [11–9]
Loss	2–3	Feb 2025	Arcadia Women's Pro Open, US	W35	Hard	Aldila Sutjiadi	Victoria Osuigwe Alana Smith	3–6, 4–6

Tjen made her debut in multi-sport event at the 2022 Asian Games, she won a bronze medal in women's doubles.

Result	Date	Tournament	Surface	Partner	Opponents	Score
Bronze	Sep 2023	Asian Games, Hangzhou	Hard	Aldila Sutjiadi	Chan Hao-ching Latisha Chan	2–6, 2–6

• Janice Tjen at the Women's Tennis Association
• Janice Tjen at the International Tennis Federation
• Janice Tjen at the Billie Jean King Cup (archived)