Landynn is a unisex given name whose etymological construction merges the Old English root land (“territory”) with dūn (“hill”), as found in the traditional name Landon, and appends the element Lynn—derived from Brythonic llyn (“lake”) or Middle English lynn (“pool”)—to form a novel orthographic variant. Pronounced /lænˈdɪn/ in American English, the name exemplifies contemporary Anglo-American onomastic trends toward creative respellings and gender-neutral usage. Although its absolute frequency remains low, Landynn has exhibited steady, if modest, representation in U.S. Social Security data: in 2023 it was conferred upon six newborns, resulting in a national rank of 923, following a peak rank of 878 in 2013 and fluctuating between the low-900s in preceding years. Its dual-gender applicability and topographically infused morphology confer a precisely balanced, technically informed appeal for parents seeking an uncommon yet linguistically coherent choice.