(55:78) Blessed is the name of your Lord, Owner of Majesty and Honor.
Muhammad Taqi-ud-Din al-Hilali and Muhammad Muhsin Khan,
(55:78) Blessed be the Name of your Lord (Allah), the Owner of Majesty and Honour.
Mohammed Marmaduke William Pickthall
(55:78) Blessed be the name of thy Lord, Mighty and glorious!
Abdullah Yusuf Ali
(55:78) Blessed be the name of thy Lord, full of Majesty, Bounty and Honour.
Mohammad Habib Shakir
(55:78) Blessed be the name of your Lord, the Lord of Glory and Honor!
Dr. Ghali
(55:78) Supremely Blessed is the Name of your Lord, The Owner of (Highest) Majesty and (Highest) Munificence.
Ali Unal
(55:78) Blessed and Supreme is the Name of your Lord, the One of Majesty and Munificence.
Amatul Rahman Omar
(55:78) Blessed be the name of your Lord, the Master of Glory and Honour.
Literal
(55:78) Blessed (is) your Lord`s name, (owner) of the glory/splendor and the honour/generosity 399
Ahmed Ali
(55:78) Blessed be the name of your Lord, full of majesty and beneficience.
A. J. Arberry
(55:78) Blessed be the Name of thy Lord, majestic, splendid.
Abdul Majid Daryabadi
(55:78) Blest be the name of thine Lord, Owner Of Majesty and Beneficence!
Maulana Mohammad Ali
(55:78)-
Muhammad Sarwar
(55:78) Blessed is the Name of your Lord, the Lord of Glory and Grace.
Hamid Abdul Aziz
(55:78) Blessed be the name of your Lord, Mighty and Glorious!
Faridul Haque
(55:78) Most Auspicious is the name of your Lord, the Most Majestic and the Most Honourable.
Talal Itani
(55:78) Blessed be the name of your Lord, Full of Majesty and Splendor.
Ahmed Raza Khan
(55:78) Most Auspicious is the name of your Lord, the Most Majestic and the Most Honourable.
Wahiduddin Khan
(55:78) Blessed be your Lord’s name, full of glory and majesty!
Safi-ur-Rahman al-Mubarakpuri
(55:78) Blessed be the Name of your Lord, Dhil-Jalali wal-Ikram.
Ali Quli Qarai
(55:78) Blessed is the Name of your Lord, the Majestic and the Munificent!
Hasan al-Fatih Qaribullah and Ahmad Darwish
(55:78) Blessed be the Name of your Lord, Majestic, Splendid.
That is translated surah Ar Rahman ayat 78 (QS 55: 78) in arabic and english text, may be useful.