The name that is transliterated as «Joanna» in English is translated in Libras (Brazilian Sign Language) with a combinations of the signs for «God is gracious» (the meaning of the name) and a reference to her visiting Jesus’ tomb (see Luke 24:10). (Source: Missão Kophós )
«Joanna» in Libras (source )
For more information on translations of proper names with sign language see Sign Language Bible Translations Have Something to Say to Hearing Christians .